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Energy Practice Questions ACC
Test Description: Energy and Transformations
Instructions: Answer all questions to get your test result.
1) Which phase change results in a loss of energy?
A
Water evaporating
B
Freezing kool-aid
C
Sublimation
D
Melting down a piece of plastic
2) As you go from solid phase to a gas phase, are you gaining or releasing energy?
A
Releasing
B
Gaining
3) Which will increase as the frequency increases?
A
Energy
B
Wavelength
C
Amplitude
4) Standing next to a camp fire is an example of what type of heat transfer?
A
Conduction
B
Radiation
C
Convection
5) Gamma rays have _______ energy than Radio waves.
A
More
B
Less
6) Gamma rays have a shorter wavelength than radio-waves...
A
False
B
True
7) Listening to your music on a cell Phone exemplifies what energy transformation?
A
Chemical to electrical to sound
B
Mechanical to electrical to sound
C
Electrical to chemical to sound
8) Which is the best example of a form of conduction?
A
The sun heating the earth
B
A person standing over a campfire to keep warm
C
You tasting hot soup with your finger to see if its good.
D
Ramon noodles cooking in a pot
9) Which phase change causes a gain of energy?
A
Solid to liquid
B
Gas to solid
C
Liquid to solid
10) When looking for potential energy and you don't have mass, you will need to find ________ _________ first.
A
Mechanical Energy
B
Potential Energy
C
Kinetic Energy
11) Sound Travels fastest through which type of medium?
A
Solid
B
Liquid
C
Gas
12) You noticed that a police siren frequency gets louder as it gets closer to where you are and gets softer as it passes. This is an example of:
A
Doppler Effect
B
Law of Conservation of Energy
C
Refraction
13) When light bends and comes underneath your bedroom door, this is an example of:
A
Reflection
B
Refraction
C
Diffraction
D
Absorption
14) An echo is an example of:
A
Reflection
B
Diffraction
C
Absorption
D
Refraction
15) Sound waves are an example of:
A
Longitudinal waves
B
Electromagnetic waves
16) No air particles equals no _____________.
A
Sound
B
Energy
17) Gamma waves have a __________ wavelength than Radio waves.
A
Shorter
B
Longer
*select an answer for all questions
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