Later assessment

Later check · Cooling and a repaired test

Paper cooling task. Both in a 22°C room for 15 minutes; cups, lids and method match. Masses differ.

First cooling comparison

Constructed teaching data: these values were invented for this activity, not collected in an experiment.

Setup

Mass (g)

Start (°C)

Final (°C)

Sleeve P

100

36

29

Sleeve Q

150

36

32

1. Find both falls. Explain why “Q better limits cooling because its final value is higher” does not isolate a sleeve effect.

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Data Tr · Repaired paper record: fresh 100 g samples all begin at 36°C in a 22°C room. Cups/lids, position, method and 15-minute interval match within and across trials.

New matched trials after repair

Constructed teaching data: these values were invented for this activity, not collected in an experiment.

Trial

Sleeve P final (°C)

Sleeve Q final (°C)

1

30

32

2

31

32

3

30

33

2. What comparison is now supported across trials? Include one meaningful limit.

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3. Does this paper record show that you constructed and tested a device? Explain.

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