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Unit 2 - Energy: Light And Electricity
Test Description: Review of forms of energy, light and electricity.
Instructions: Answer all questions to get your test result.
1) The ability to do work
A
Energy
B
Absorb
C
Current
D
Running
2) Energy created when objects are in motion.
A
Mechanical Energy
B
Light Energy
C
Sound Energy
D
Thermal Energy
3) Energy created when atoms pass along electrons creating an electrical current.
A
Electrical Energy
B
Light Energy
C
Sound Energy
D
Mechanical Energy
4) A type of radiant energy that can be seen with the eyes.
A
Energy
B
Mechanical Energy
C
Light Energy
D
Thermal Energy
5) Energy created from the vibrations of molecules. Also called heat energy.
A
Thermal Energy
B
Mechanical Energy
C
Energy
D
Light Energy
6) The back and forth motion of molecules to make sound.
A
Refracting
B
Hopping
C
Vibration
D
Reflecting
7) A complete path that electricity can flow through.
A
Stopped Circuit
B
Closed Circuit
C
Open Circuit
D
Running Circuit
8) A circuit where the path has been interrupted.
A
Partial Circuit
B
Open Circuit
C
Closed Circuit
D
Transmitting
9) Current
A
The path of electricity
B
The flow of electricity.
C
A stream.
D
Transmitting.
10) A substance that does not let any light pass through
A
Mirror
B
Transparent
C
Translucent
D
Opaque
11) Places in an electrical circuit that must touch for the electricity to flow.
A
Energy source
B
Switch
C
Current
D
Contact points
12) A material that allows energy to pass through it.
A
Insulator
B
Current
C
Conductor
D
Open circuit
13) A material that does not allow energy to pass through it.
A
Closed Circuit
B
Conductor
C
Current
D
Insulator
14) The bouncing back of light rays.
A
Transparent
B
Mirror
C
Refraction
D
Reflection
15) The best surface for reflection light.
A
White Board
B
Mirror
C
Waterfall
D
Black Desk
16) The bending of light rays.
A
Opaque
B
Reflection
C
Translucent
D
Refraction
17) A substance that light can pass through.
A
Mirror
B
Medium
C
Opaque
D
Wall
18) A substance made to refract light.
A
Wall
B
Lens
C
Desk
D
Mirror
19) A substance that lets all light to pass through.
A
Translucent
B
Mirror
C
Transparent
D
Opaque
20) A substance that lets some light to pass through.
A
Transparent
B
Opaque
C
Mirror
D
Translucent
*select an answer for all questions
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