Heat Energy Investigation
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Heat Energy Investigation
Plan a fair test
Lachlan pours the same amount of warm water into three identical cups. Jai leaves Cup A uncovered, wraps Cup B in newspaper and wraps Cup C in wool fabric. They begin at 60°C and measure each cup every five minutes.
Time
A: uncovered
B: newspaper
C: wool
0 min
60°C
60°C
60°C
5 min
52°C
55°C
57°C
10 min
45°C
50°C
54°C
15 min
39°C
46°C
51°C
Read the evidence
Use the results table to answer each question. Temperature is measured in degrees Celsius (°C).
- The wool added heat energy to the water.
- The wool slowed heat energy moving from the warm water to the cooler surroundings.
- The wool changed the water into a solid.
3 printable pages
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