Thermal Energy Evidence Kits · Grade 6 · Grades 6–8 science ideas

Thermal Energy Evidence Kits

Current print and editable package

Library package prepared 2 November 2026. Revised guides are marked with that date; other files retain their stated editions. Keep this package with the teacher. Read START-HERE, choose one stage, and retain teacher keys and checks for later use in their separate folders. Online browser versions are linked from the preparation pages.

Thermal energy: current paper and practical routes · current ZIP · 5.1 MB

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Audience / fit
Intended Grade 6 science; selected Grades 6–8 standards ideas
Teaching or planning target
Read temperature evidence, judge comparison conditions, explain a bounded claim and choose a thermal-energy teaching or investigation route.
Essential prerequisites
Read small tables, subtract temperatures and identify °C/time; use each kit’s bridge. Practical work adds equipment and supervision requirements.
Preparation
Review the starting route, choose one task and its matching guide, and prepare copies; preparation time depends on the branch.
Use time
Use the selected resource’s lesson/check estimate; the collection is a choice of routes, not one additional lesson.
Materials
The selected student file or adult form, its matching guidance, and the materials named for that branch.
What to print
One selected student lesson or supplied-data phase and its complete teacher guide; keep later checks and mixed archives with the teacher.

Print and adapt for your own planning and classroom use; printed copies may be shared within your classroom or school team, provided the source is not sold. Keep attribution and resource-specific notices. For redistribution and third-party materials, read the Terms of Use. Recommend this resource using its page link.

Six equipment-free teaching kits help students read measurements, evaluate comparisons, support a design choice, explain temperature changes, revise a claim, and evaluate a redesign. Shared guides and an evidence portfolio support the sequence. The optional cool-water investigation requires the stated materials, ordinary adult supervision, and school procedures; a complete supplied-data alternative is included.

Choose a teacher pathway

How recommendations work

Choose your starting point, materials and teaching goal. For a response you want to revisit, choose the skill it shows. Each result links the student pages, teacher guidance and a follow-up task. Ask a clarifying question when a response is unclear.

Choose a lesson or follow-up task

Read Temperature Data Before Explaining It — Keep readings in one row — response practice

Learning target: Read temperature records, distinguish values from changes and observations from explanations.

Prerequisites: Read a small table, subtract whole numbers and recognize °C. The included prerequisite check supplies support.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Reserve until after this response practice: Fresh check after Keep readings in one row Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Read Temperature Data Before Explaining It — A value is not a change — response practice

Learning target: Read temperature records, distinguish values from changes and observations from explanations.

Prerequisites: Read a small table, subtract whole numbers and recognize °C. The included prerequisite check supplies support.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Reserve until after this response practice: Fresh check after A value is not a change Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Read Temperature Data Before Explaining It — Prerequisite bridge, model and guided practice

Learning target: Read temperature records, distinguish values from changes and observations from explanations.

Prerequisites: Read a small table, subtract whole numbers and recognize °C. The included prerequisite check supplies support.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Independent task after model and guided practice Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Read Temperature Data Before Explaining It — Later assessment

Learning target: Read temperature records, distinguish values from changes and observations from explanations.

Prerequisites: Read a small table, subtract whole numbers and recognize °C. The included prerequisite check supplies support.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Use these same pages again only as practice — not a fresh check Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Read Temperature Data Before Explaining It — Independent check

Learning target: Read temperature records, distinguish values from changes and observations from explanations.

Prerequisites: Read a small table, subtract whole numbers and recognize °C. The included prerequisite check supplies support.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Reserve: Later assessment Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Was It a Fair Comparison? — Repair the comparison — response practice

Learning target: Evaluate confounds, repair comparison conditions and specify a usable recording plan.

Prerequisites: Read units/time, starts and temperature changes. Use the prerequisite check; Kit 1 provides additional support.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Reserve until after this response practice: Fresh check after Repair the comparison Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Was It a Fair Comparison? — Specify a usable plan — response practice

Learning target: Evaluate confounds, repair comparison conditions and specify a usable recording plan.

Prerequisites: Read units/time, starts and temperature changes. Use the prerequisite check; Kit 1 provides additional support.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Reserve until after this response practice: Fresh check after Specify a usable plan Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Was It a Fair Comparison? — Prerequisite bridge, model and guided practice

Learning target: Evaluate confounds, repair comparison conditions and specify a usable recording plan.

Prerequisites: Read units/time, starts and temperature changes. Use the prerequisite check; Kit 1 provides additional support.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Independent task after model and guided practice Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Was It a Fair Comparison? — Later assessment

Learning target: Evaluate confounds, repair comparison conditions and specify a usable recording plan.

Prerequisites: Read units/time, starts and temperature changes. Use the prerequisite check; Kit 1 provides additional support.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Use these same pages again only as practice — not a fresh check Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Was It a Fair Comparison? — Independent check

Learning target: Evaluate confounds, repair comparison conditions and specify a usable recording plan.

Prerequisites: Read units/time, starts and temperature changes. Use the prerequisite check; Kit 1 provides additional support.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Reserve: Later assessment Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Which Design Is Better Supported? — Compare the measurements — response practice

Learning target: Compare temperature results across trials, support a sleeve choice, and limit the claim. Includes its prerequisite mini-lesson.

Prerequisites: Read a small table, subtract whole-number temperatures, recognize °C, and distinguish starting and final readings. The included mini-lesson teaches these moves before the main task.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Reserve until after this response practice: Fresh check after Compare the measurements Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Which Design Is Better Supported? — Use all results and limit the claim

Learning target: Compare temperature results across trials, support a sleeve choice, and limit the claim. Includes its prerequisite mini-lesson.

Prerequisites: Read a small table, subtract whole-number temperatures, recognize °C, and distinguish starting and final readings. The included mini-lesson teaches these moves before the main task.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Reserve until after this response practice: Fresh recheck after reteaching Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Which Design Is Better Supported? — Prerequisite bridge, model and guided practice

Learning target: Compare temperature results across trials, support a sleeve choice, and limit the claim. Includes its prerequisite mini-lesson.

Prerequisites: Read a small table, subtract whole-number temperatures, recognize °C, and distinguish starting and final readings. The included mini-lesson teaches these moves before the main task.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Independent task after model and guided practice Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Which Design Is Better Supported? — Later assessment

Learning target: Compare temperature results across trials, support a sleeve choice, and limit the claim. Includes its prerequisite mini-lesson.

Prerequisites: Read a small table, subtract whole-number temperatures, recognize °C, and distinguish starting and final readings. The included mini-lesson teaches these moves before the main task.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Use these same pages again only as practice — not a fresh check Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Which Design Is Better Supported? — Independent check

Learning target: Compare temperature results across trials, support a sleeve choice, and limit the claim. Includes its prerequisite mini-lesson.

Prerequisites: Read a small table, subtract whole-number temperatures, recognize °C, and distinguish starting and final readings. The included mini-lesson teaches these moves before the main task.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Reserve: Later assessment Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Explain Why the Temperature Changed — Connect evidence to the explanation

Learning target: Connect specific temperature evidence to an explanation of net thermal-energy transfer and distinguish observations from the explanatory model.

Prerequisites: Read °C/time/start/change; distinguish warming/cooling and identify sample/surroundings. The included prerequisite mini-lesson teaches observation, evidence and explanation.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Reserve until after this response practice: Fresh recheck of the connection Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Explain Why the Temperature Changed — Trace energy transfer

Learning target: Connect specific temperature evidence to an explanation of net thermal-energy transfer and distinguish observations from the explanatory model.

Prerequisites: Read °C/time/start/change; distinguish warming/cooling and identify sample/surroundings. The included prerequisite mini-lesson teaches observation, evidence and explanation.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Reserve until after this response practice: Fresh recheck of transfer Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Explain Why the Temperature Changed — Prerequisite bridge, model and guided practice

Learning target: Connect specific temperature evidence to an explanation of net thermal-energy transfer and distinguish observations from the explanatory model.

Prerequisites: Read °C/time/start/change; distinguish warming/cooling and identify sample/surroundings. The included prerequisite mini-lesson teaches observation, evidence and explanation.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Independent task after model and guided practice Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Explain Why the Temperature Changed — Later assessment

Learning target: Connect specific temperature evidence to an explanation of net thermal-energy transfer and distinguish observations from the explanatory model.

Prerequisites: Read °C/time/start/change; distinguish warming/cooling and identify sample/surroundings. The included prerequisite mini-lesson teaches observation, evidence and explanation.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Use these same pages again only as practice — not a fresh check Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Explain Why the Temperature Changed — Independent check

Learning target: Connect specific temperature evidence to an explanation of net thermal-energy transfer and distinguish observations from the explanatory model.

Prerequisites: Read °C/time/start/change; distinguish warming/cooling and identify sample/surroundings. The included prerequisite mini-lesson teaches observation, evidence and explanation.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Reserve: Later assessment Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Revise the Claim When Results Change — Reteach conditions: initial record

Learning target: Compare new evidence with a particular claim, check conditions and justify retaining, narrowing, changing or withholding a conclusion.

Prerequisites: Read starts/changes and compare trials and conditions. The included prerequisite mini-lesson teaches claim scope and revision choices; the kit works independently of earlier kits.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Continue in this order; retain the preceding response before new evidence:

Next check: Reserve until after this response practice: Fresh conditions recheck: initial record Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests. Give the additional record only after the preceding response/proposal is retained; a new record within that sequence is not a separate fresh test.

Additional check evidence — reveal only after retaining that check’s initial response:

Revise the Claim When Results Change — Reteach: initial claim and support

Learning target: Compare new evidence with a particular claim, check conditions and justify retaining, narrowing, changing or withholding a conclusion.

Prerequisites: Read starts/changes and compare trials and conditions. The included prerequisite mini-lesson teaches claim scope and revision choices; the kit works independently of earlier kits.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Continue in this order; retain the preceding response before new evidence:

Next check: Reserve until after this response practice: Fresh recheck: initial record Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests. Give the additional record only after the preceding response/proposal is retained; a new record within that sequence is not a separate fresh test.

Additional check evidence — reveal only after retaining that check’s initial response:

Revise the Claim When Results Change — Prerequisite bridge and initial model evidence

Learning target: Compare new evidence with a particular claim, check conditions and justify retaining, narrowing, changing or withholding a conclusion.

Prerequisites: Read starts/changes and compare trials and conditions. The included prerequisite mini-lesson teaches claim scope and revision choices; the kit works independently of earlier kits.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Continue in this order; retain the preceding response before new evidence:

Next check: Independent initial record — retain before additional evidence Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests. Give the additional record only after the preceding response/proposal is retained; a new record within that sequence is not a separate fresh test.

Additional check evidence — reveal only after retaining that check’s initial response:

Revise the Claim When Results Change — Later assessment: initial evidence

Learning target: Compare new evidence with a particular claim, check conditions and justify retaining, narrowing, changing or withholding a conclusion.

Prerequisites: Read starts/changes and compare trials and conditions. The included prerequisite mini-lesson teaches claim scope and revision choices; the kit works independently of earlier kits.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Continue in this order; retain the preceding response before new evidence:

Next check: Use these same pages again only as practice — not a fresh check Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests. Give the additional record only after the preceding response/proposal is retained; a new record within that sequence is not a separate fresh test.

Additional check evidence — reveal only after retaining that check’s initial response:

Revise the Claim When Results Change — Independent check: initial record

Learning target: Compare new evidence with a particular claim, check conditions and justify retaining, narrowing, changing or withholding a conclusion.

Prerequisites: Read starts/changes and compare trials and conditions. The included prerequisite mini-lesson teaches claim scope and revision choices; the kit works independently of earlier kits.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Continue in this order; retain the preceding response before new evidence:

Next check: Different check, after interpreting work and selected response teaching Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests. Give the additional record only after the preceding response/proposal is retained; a new record within that sequence is not a separate fresh test.

Additional check evidence — reveal only after retaining that check’s initial response:

Choose, Test & Improve a Thermal Protector — Requirements, model and guided practice

Learning target: Compare every design criterion, justify a choice, propose a redesign, and use new evidence to reassess it.

Prerequisites: Read table headings, °C, starts and changes; compare fresh trials and conditions; distinguish observed results from explanations. The included prerequisite mini-lesson teaches criteria, constraints, prediction/result and whole-design versus feature claims.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Independent proposal — retain before redesign evidence Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Additional check evidence — reveal only after retaining that check’s initial response:

Choose, Test & Improve a Thermal Protector — Independent challenge: proposal first

Learning target: Compare every design criterion, justify a choice, propose a redesign, and use new evidence to reassess it.

Prerequisites: Read table headings, °C, starts and changes; compare fresh trials and conditions; distinguish observed results from explanations. The included prerequisite mini-lesson teaches criteria, constraints, prediction/result and whole-design versus feature claims.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Continue in this order; retain the preceding response before new evidence:

Next check: Reserve: Later assessment: changed requirements Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests. Give the additional record only after the preceding response/proposal is retained; a new record within that sequence is not a separate fresh test.

Additional check evidence — reveal only after retaining that check’s initial response:

Choose, Test & Improve a Thermal Protector — Reteach: meet every requirement

Learning target: Compare every design criterion, justify a choice, propose a redesign, and use new evidence to reassess it.

Prerequisites: Read table headings, °C, starts and changes; compare fresh trials and conditions; distinguish observed results from explanations. The included prerequisite mini-lesson teaches criteria, constraints, prediction/result and whole-design versus feature claims.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Reserve until after this response practice: Fresh requirements recheck Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Choose, Test & Improve a Thermal Protector — Reteach: propose a relevant test

Learning target: Compare every design criterion, justify a choice, propose a redesign, and use new evidence to reassess it.

Prerequisites: Read table headings, °C, starts and changes; compare fresh trials and conditions; distinguish observed results from explanations. The included prerequisite mini-lesson teaches criteria, constraints, prediction/result and whole-design versus feature claims.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Reserve until after this response practice: Fresh test recheck Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests.

Choose, Test & Improve a Thermal Protector — Later assessment: changed requirements

Learning target: Compare every design criterion, justify a choice, propose a redesign, and use new evidence to reassess it.

Prerequisites: Read table headings, °C, starts and changes; compare fresh trials and conditions; distinguish observed results from explanations. The included prerequisite mini-lesson teaches criteria, constraints, prediction/result and whole-design versus feature claims.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Continue in this order; retain the preceding response before new evidence:

Next check: Use these same pages again only as practice — not a fresh check Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests. Give the additional record only after the preceding response/proposal is retained; a new record within that sequence is not a separate fresh test.

Additional check evidence — reveal only after retaining that check’s initial response:

Cool-Water Design Investigation — Practical first comparison: directions and blank trials

Learning target: Plan a fair cool-water comparison, record baseline and prototype trials, then redesign and retest. Includes a complete supplied-data alternative.

Prerequisites: Read °C and time, subtract decimal readings, distinguish temperature from energy, and follow comparison conditions. Measuring 150 mL and safe probe placement are also required for practical work.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Continue in this order; retain the preceding response before new evidence:

Next check: Reserve until the planned investigation and reflection are complete: later reasoning Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests. Practical work requires the guide’s qualifying equipment/setup and supervision. Keep the redesign proposal before retesting; complete the staged trials/reflection before later reasoning. Supplied data do not demonstrate physical building/testing. Give the additional record only after the preceding response/proposal is retained; a new record within that sequence is not a separate fresh test.

Equipment-free supplied-data alternative — keep the two parts separate:

Cool-Water Design Investigation — Practical redesign: commit the plan

Learning target: Plan a fair cool-water comparison, record baseline and prototype trials, then redesign and retest. Includes a complete supplied-data alternative.

Prerequisites: Read °C and time, subtract decimal readings, distinguish temperature from energy, and follow comparison conditions. Measuring 150 mL and safe probe placement are also required for practical work.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Continue in this order; retain the preceding response before new evidence:

Next check: Reserve until the planned investigation and reflection are complete: later reasoning Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests. Practical work requires the guide’s qualifying equipment/setup and supervision. Keep the redesign proposal before retesting; complete the staged trials/reflection before later reasoning. Supplied data do not demonstrate physical building/testing. Give the additional record only after the preceding response/proposal is retained; a new record within that sequence is not a separate fresh test.

Equipment-free supplied-data alternative — keep the two parts separate:

Cool-Water Design Investigation — Practical results: reassess and explain

Learning target: Plan a fair cool-water comparison, record baseline and prototype trials, then redesign and retest. Includes a complete supplied-data alternative.

Prerequisites: Read °C and time, subtract decimal readings, distinguish temperature from energy, and follow comparison conditions. Measuring 150 mL and safe probe placement are also required for practical work.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Reserve until the planned investigation and reflection are complete: later reasoning Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests. Practical work requires the guide’s qualifying equipment/setup and supervision. Keep the redesign proposal before retesting; complete the staged trials/reflection before later reasoning. Supplied data do not demonstrate physical building/testing.

Equipment-free supplied-data alternative — keep the two parts separate:

Cool-Water Design Investigation — Later reasoning assessment

Learning target: Plan a fair cool-water comparison, record baseline and prototype trials, then redesign and retest. Includes a complete supplied-data alternative.

Prerequisites: Read °C and time, subtract decimal readings, distinguish temperature from energy, and follow comparison conditions. Measuring 150 mL and safe probe placement are also required for practical work.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Next check: Use these same pages again only as practice — not a fresh check Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests. Practical work requires the guide’s qualifying equipment/setup and supervision. Keep the redesign proposal before retesting; complete the staged trials/reflection before later reasoning. Supplied data do not demonstrate physical building/testing.

Equipment-free supplied-data alternative — keep the two parts separate:

Thermal Energy Evidence Portfolio — Portfolio A: initial record

Learning target: Use fresh integrative tasks and annotated fictional examples to describe evidence across six thermal reasoning dimensions.

Prerequisites: Use the actual named six-kit tasks or supplied integrative briefs. Clarify measurement reading, conditions and response mode; missing evidence does not establish a broad ability.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Continue in this order; retain the preceding response before new evidence:

Next check: Reserve: Portfolio B: proposal first Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests. Give the additional record only after the preceding response/proposal is retained; a new record within that sequence is not a separate fresh test.

Additional check evidence — reveal only after retaining that check’s initial response:

Thermal Energy Evidence Portfolio — Portfolio B: proposal first

Learning target: Use fresh integrative tasks and annotated fictional examples to describe evidence across six thermal reasoning dimensions.

Prerequisites: Use the actual named six-kit tasks or supplied integrative briefs. Clarify measurement reading, conditions and response mode; missing evidence does not establish a broad ability.

Print this stage only · Current matching teacher guide — use the named activity heading · All stages and matching directions

Continue in this order; retain the preceding response before new evidence:

Next check: Use these same pages again only as practice — not a fresh check Keep models/answers with the teacher. A previously seen task is practice, not new evidence; different checks are not equivalent tests. Give the additional record only after the preceding response/proposal is retained; a new record within that sequence is not a separate fresh test.

Additional check evidence — reveal only after retaining that check’s initial response:

Archive: ZIP files · teacher preparation only

Earlier guidance and source files are retained as historical records. For classroom teaching and printing, use the current stage files and matching guides above. Older guidance, timing and layouts are superseded; some retained browser/Word files have limited writing space or sparse extra pages. Keep historical student files with their historical keys and do not mix editions.

This archive may combine teaching, later tasks and answers. Choose the individual resource and its stage-specific pages before making student handouts.

Temperature readings and comparison classroom package.

Classroom bundles

  • Archive: ZIP files · teacher preparation only

    Earlier guidance and source files are retained as historical records. For classroom teaching and printing, use the current stage files and matching guides above. Older guidance, timing and layouts are superseded; some retained browser/Word files have limited writing space or sparse extra pages. Keep historical student files with their historical keys and do not mix editions.

    This archive may combine teaching, later tasks and answers. Choose the individual resource and its stage-specific pages before making student handouts.

    Thermal-energy teaching guides and classroom files
  • Archive: ZIP files · teacher preparation only

    Earlier guidance and source files are retained as historical records. For classroom teaching and printing, use the current stage files and matching guides above. Older guidance, timing and layouts are superseded; some retained browser/Word files have limited writing space or sparse extra pages. Keep historical student files with their historical keys and do not mix editions.

    This archive may combine teaching, later tasks and answers. Choose the individual resource and its stage-specific pages before making student handouts.

    Full six-kit supplied-data collection
  • Archive: ZIP files · teacher preparation only

    Earlier guidance and source files are retained as historical records. For classroom teaching and printing, use the current stage files and matching guides above. Older guidance, timing and layouts are superseded; some retained browser/Word files have limited writing space or sparse extra pages. Keep historical student files with their historical keys and do not mix editions.

    This archive may combine teaching, later tasks and answers. Choose the individual resource and its stage-specific pages before making student handouts.

    Optional cool-water investigation files

Choose the student pages you need and keep teacher guides and answer keys with the teacher.

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Do not include student names or identifiable work in an issue report. Page revision: 15 October 2026; classroom files retain their own editions.

Archive: Previous complete-package editions

Earlier guidance and source files are retained as historical records. For classroom teaching and printing, use the current stage files and matching guides above. Older guidance, timing and layouts are superseded; some retained browser/Word files have limited writing space or sparse extra pages. Keep historical student files with their historical keys and do not mix editions.

Previous complete package: cool-water-design-investigation-complete-classroom-collection-teacher-use-2026-10-06.zip