Unit 2 - Energy: Light And Electricity Question Preview (ID: 48238)


Review Of Forms Of Energy, Light And Electricity. TEACHERS: click here for quick copy question ID numbers.

A substance that lets some light to pass through.
a) Mirror
b) Translucent
c) Opaque
d) Transparent

A substance that lets all light to pass through.
a) Translucent
b) Opaque
c) Mirror
d) Transparent

A substance made to refract light.
a) Mirror
b) Wall
c) Lens
d) Desk

A substance that light can pass through.
a) Medium
b) Mirror
c) Wall
d) Opaque

The bending of light rays.
a) Translucent
b) Refraction
c) Opaque
d) Reflection

The best surface for reflection light.
a) White Board
b) Black Desk
c) Mirror
d) Waterfall

The bouncing back of light rays.
a) Mirror
b) Refraction
c) Transparent
d) Reflection

A material that does not allow energy to pass through it.
a) Closed Circuit
b) Insulator
c) Current
d) Conductor

A material that allows energy to pass through it.
a) Current
b) Insulator
c) Open circuit
d) Conductor

Places in an electrical circuit that must touch for the electricity to flow.
a) Energy source
b) Current
c) Contact points
d) Switch

A substance that does not let any light pass through
a) Transparent
b) Opaque
c) Translucent
d) Mirror

Current
a) The flow of electricity.
b) The path of electricity
c) A stream.
d) Transmitting.

A circuit where the path has been interrupted.
a) Closed Circuit
b) Partial Circuit
c) Open Circuit
d) Transmitting

A complete path that electricity can flow through.
a) Open Circuit
b) Closed Circuit
c) Running Circuit
d) Stopped Circuit

The back and forth motion of molecules to make sound.
a) Reflecting
b) Hopping
c) Refracting
d) Vibration

Energy created from the vibrations of molecules. Also called heat energy.
a) Thermal Energy
b) Mechanical Energy
c) 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 when atoms pass along electrons creating an electrical current.
a) Sound Energy
b) Electrical Energy
c) Mechanical Energy
d) Light Energy

Energy created when objects are in motion.
a) Sound Energy
b) Light Energy
c) Thermal Energy
d) Mechanical Energy

The ability to do work
a) Current
b) Energy
c) Absorb
d) Running

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