1) Energy transformation takes place when energy a) changes from one form to another. b) changes to electricity only. c) is all used up. 2) The transfer of energy as heat form one substance to another through direct contact is called a) insulation b) conduction c) warming 3) Which image shows a GOOD insulator? a) b) c) d) 4) Which image shows a transverse wave? a) b) c) 5) Which image is NOT an example is of sound energy? a) b) c) d) 6) The law of conservation states that a) energy cannot be created or destroyed; it can only change forms. b) energy can be destroyed. c) energy can be created. 7) Which best describes mechanical energy? a) It is the vibration of particles in the air. b) It is transmitted though space and has electrical charge. c) Is the sum of an object's kinetic and potential energy. 8) Which image does NOT show a renewable energy source? a) b) c) d) 9) Which image is an example of electromagnetic energy? a) b) c) d) 10) Which image would have the most thermal energy? a) b) c) 11) The material that a wave can travel is called a a) material b) medium c) wave 12) What type of circuit is the image? a) series b) parallel c) energy d) battery 13) Another name for Alternating Current is a) DC b) AC c) AC/DC 14) In direct current, charges always flow in the _________________ direction. a) opposite b) long c) same 15) Which is NOT an example of an electrical safety device? a) b) c) d) 16) Which item in the image is NOT a load? a) phone b) trophy c) guitar d) computer e) radio 17) What is this image an example of? a) conductor b) insulator c) energy d) conduction 18) Which symbol indicates a load on a circuit diagram? a) b) c) 19) Which of the following is an example of an energy source? a) b) c) 20) Kinetic energy is the energy in a) a stopping position b) motion c) in conservation

Unit 8 Review - Energy

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