1) Evaporation needs _______________. a) light energy b) heat energy c) kinetic energy d) chemical potential energy 2) Which of the following has heat energy? a) A switched-on oven b) A ringing phone c) A boy riding bicycle d) A skier on slope 3) Which of the following statements about energy is not correct? a) Energy can be kinetic or potential. b) Energy cannot be created. c) Energy can be destroyed. d) Energy can be wasted. 4) The girl standing on the roof has _______________. a) great elastic potential energy b) great gravitational potential energy c) less gravitational potential energy d) great chemical potential energy 5) Chemical potential energy is stored in the following except ________. a) food b) fuels c) batteries d) steel clips 6) Spring balance has _________________. a) Sound energy b) Kinetic energy c) Elastic potential energy d) Gravitational energy 7) What is the energy conversion that takes place in an headphones? a) Electrical energy → heat energy b) Electrical energy → light energy c) Electrical energy → kinetic energy d) Electrical energy → sound energy 8) Nick placed a battery inside a toy car. After he turned on the switch, the toy car's light lit up and started making sounds. What are the energy conversions involved?  a) Chemical potential energy → light energy + sound energy b) Chemical potential energy → light energy + kinetic energy c) Chemical potential energy → electrical energy → light energy + sound energy + heat energy d) Chemical potential energy → electrical energy → light energy + sound energy

Summative Assessment preparation Unit 8 Forms and uses of energy

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