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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
Freezing kool-aid
B
Water evaporating
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
Amplitude
B
Energy
C
Wavelength
4) Standing next to a camp fire is an example of what type of heat transfer?
A
Convection
B
Conduction
C
Radiation
5) Gamma rays have _______ energy than Radio waves.
A
Less
B
More
6) Gamma rays have a shorter wavelength than radio-waves...
A
True
B
False
7) Listening to your music on a cell Phone exemplifies what energy transformation?
A
Chemical to electrical to sound
B
Electrical to chemical to sound
C
Mechanical to electrical to sound
8) Which is the best example of a form of conduction?
A
You tasting hot soup with your finger to see if its good.
B
A person standing over a campfire to keep warm
C
Ramon noodles cooking in a pot
D
The sun heating the earth
9) Which phase change causes a gain of energy?
A
Liquid to solid
B
Solid to liquid
C
Gas to solid
10) When looking for potential energy and you don't have mass, you will need to find ________ _________ first.
A
Potential Energy
B
Kinetic Energy
C
Mechanical Energy
11) Sound Travels fastest through which type of medium?
A
Solid
B
Gas
C
Liquid
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
Refraction
C
Law of Conservation of Energy
13) When light bends and comes underneath your bedroom door, this is an example of:
A
Reflection
B
Absorption
C
Refraction
D
Diffraction
14) An echo is an example of:
A
Reflection
B
Absorption
C
Diffraction
D
Refraction
15) Sound waves are an example of:
A
Longitudinal waves
B
Electromagnetic waves
16) No air particles equals no _____________.
A
Energy
B
Sound
17) Gamma waves have a __________ wavelength than Radio waves.
A
Shorter
B
Longer
*select an answer for all questions
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