2P - Introduction to Energy Knowledge Test
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1) Why do we need energy?
2) What are the 8 forms of energy?
3) What is the difference between a store of energy and a flow of energy?
4) What are the stores of energy? What are the flows of energy?
5) How is energy transferred? Name 4 examples.
6) Does energy always stay in the same form? Explain your answer.
7) What is meant by 'conservation of energy'?
8) Why do we use energy transfer diagrams? Draw an energy transfer diagram for the energy transfers in a fan heater.
9) Which direction(s) does energy flow?
10) How is energy dispersed?
11) How does anything happen in terms of energy?
12) What sorts of processes involve energy transfers? Give 3 examples.
13) What is meant by a more efficient device?
14) What do we measure the amount of energy transferred in?
15) Energy Transfer Joule Fuel
16) Why do hot objects have more energy than cooler ones? How is this energy transferred?
17) In which direction does heat energy flow?
18) When does heat energy stop flowing?
19) What do we call energy transfer through contact?
20) When does conduction occur?
21) Why does energy transfer in conduction?
22) How, other than conduction and convection, can heat energy transfer?
23) What is radiation described as?
24) What is convection? What substances does it occur in?
25) To what point do objects cool down to?
26) How do insulators work?
27) What is a better insulator - air or plastic?
28) Why is air a better insulator than plastic?
29) What are the best insulators?
30) Why are vacuums the best insulators?
31) Why do humans wear clothes to keep warm?
32) How do the Big Ideas link to this topic?
a) Forces:
b) Particles:
c) Energy:
d) Cells: