1) What is the unit for energy? a) kg b) Joules c) m/s d) gravity 2) What is the energy stored in food and fuels? a) Electrical b) Gravitational c) Kinetic d) Chemical e) Light f) Sound 3) What energy is wasted in a light bulb? a) Light b) Sound c) Electrical d) Elastic e) Heat f) Potential 4) What is the useful energy we get from a phone a) Electrical and Sound b) Elastic and Light c) Light and Sound d) Electrical and Chemical e) Kinetic and Potential f) Heat and Light 5) What is the energy transfer in a light bulb? a) Light to Heat and Sound b) Heat to Light and Chemical c) Chemical to Electrical and Heat d) Electrical to Light and Heat 6) What is the main source of energy for the Earth? a) The Sun b) The Earth’s Core c) Electricity d) The Ocean e) The Wind 7) What is the energy transfer for a bow and arrow? a) Elastic to Potential b) Potential to Sound c) Elastic to Kinetic d) Potential to Elastic 8) What energy type works by particle vibration? a) Elastic b) Sound c) Light d) Kinetic 9) What does NOT affect GPE? a) Mass b) Size c) Gravity d) Height 10) What is moving energy? a) Sound b) Light c) Elastic d) Kinetic e) Potential 11) Which form of heat transfer is through direct contact? a) Convection b) Conduction c) Radiation 12) Which form of heat transfer is through electromagnetic waves? a) Convection b) Conduction c) Radiation 13) Which form of heat transfer is through temperature differences in fluids? a) Convection b) Conduction c) Radiation 14) The Sun is an example of which heat transfer? a) Convection b) Conduction c) Radiation 15) Touching a hot piece of metal is an example of which heat transfer? a) Convection b) Conduction c) Radiation

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