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Energy Transfer by Sound, Light, Heat and Electric Currents
Worksheet
Grade Level
Grade 4
4.6 Energy Transfer by Sound, Light, Heat and Electric Currents
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A student explains this event: a drum is hit and the sound is heard nearby. Which revision makes the explanation more scientific?
A
Say that energy was used up and no longer exists
B
Say that motion energy changes to sound energy that travels through air, and describe the evidence for the change
C
Say that the event happened only because the object is large
D
Say that all forms of energy are the same and never change
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