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JES-Energy L. 3-4
Question | Answer |
---|---|
The form of energy that makes particles move is______ | thermal energy |
The best insulator is a cup that holds the ________ ______ | highest temperature |
An object that absorbs all the light that strikes is _____ | black |
Heat can cause a solid to ____ | melt |
The object that has the most mechanical energy is __ _____ ____ | a moving car |
A large bell will make a sound with the ____ ____ | lowest pitch |
When a switch is turned on, it produces ____ ______ ___ | an open circuit |
A good insulator is ____ | rubber |
A mirror reflect the best ____ | light |
The volume of sound is related to its ___ | amplitude |
Electric currents travels along a path called a ___ | circuit |
____ _____ causes a shock with a person touches a doorknob | static electricity |
a ___________________ is needed for a closed circuit | switch in the on position |
Glass, plastic, and rubber are _____. | insulators |
Most electrical cords are covered in plastic because ________ | plastic is a good insulator. The plastic coating on wires does not let electric current flow through it. It protects you from getting a shock. |