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Answer Key
Grade 7 Science: Energy Transfer — Heat, Work & Fields Awareness
1.
movement of energy from one object or place to another
2.
energy transferred because of a temperature difference
3.
heat transfer through direct contact of particles/materials
4.
heat transfer by movement of fluids (liquids or gases)
5.
heat transfer by electromagnetic waves; can travel through empty space
6.
Answers vary: metal spoon warming in hot soup
7.
Answers vary: warm air rising; boiling water circulating
8.
Answers vary: feeling warmth from the Sun or a fire without touching
9.
heat transfer by direct contact
10.
heat transfer by moving fluids
11.
heat transfer by electromagnetic waves
12.
force moving an object through a distance
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