Unit 2 - Energy: Light And Electricity Question Preview (ID: 48238)
Review Of Forms Of Energy, Light And Electricity.
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The ability to do work
a) Current
b) Energy
c) Absorb
d) Running
Energy created when objects are in motion.
a) Sound Energy
b) Light Energy
c) Thermal Energy
d) Mechanical Energy
Energy created when atoms pass along electrons creating an electrical current.
a) Sound Energy
b) Electrical Energy
c) Mechanical Energy
d) Light Energy
A type of radiant energy that can be seen with the eyes.
a) Mechanical Energy
b) Energy
c) Light Energy
d) Thermal Energy
Energy created from the vibrations of molecules. Also called heat energy.
a) Thermal Energy
b) Mechanical Energy
c) Energy
d) Light Energy
The back and forth motion of molecules to make sound.
a) Reflecting
b) Hopping
c) Refracting
d) Vibration
A complete path that electricity can flow through.
a) Open Circuit
b) Closed Circuit
c) Running Circuit
d) Stopped Circuit
A circuit where the path has been interrupted.
a) Closed Circuit
b) Partial Circuit
c) Open Circuit
d) Transmitting
Current
a) The flow of electricity.
b) The path of electricity
c) A stream.
d) Transmitting.
A substance that does not let any light pass through
a) Transparent
b) Opaque
c) Translucent
d) Mirror
Places in an electrical circuit that must touch for the electricity to flow.
a) Energy source
b) Current
c) Contact points
d) Switch
A material that allows energy to pass through it.
a) Current
b) Insulator
c) Open circuit
d) Conductor
A material that does not allow energy to pass through it.
a) Closed Circuit
b) Insulator
c) Current
d) Conductor
The bouncing back of light rays.
a) Mirror
b) Refraction
c) Transparent
d) Reflection
The best surface for reflection light.
a) White Board
b) Black Desk
c) Mirror
d) Waterfall
The bending of light rays.
a) Translucent
b) Refraction
c) Opaque
d) Reflection
A substance that light can pass through.
a) Medium
b) Mirror
c) Wall
d) Opaque
A substance made to refract light.
a) Mirror
b) Wall
c) Lens
d) Desk
A substance that lets all light to pass through.
a) Translucent
b) Opaque
c) Mirror
d) Transparent
A substance that lets some light to pass through.
a) Mirror
b) Translucent
c) Opaque
d) Transparent
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