Which object would be the BEST to use and why?
A
The radio because it can be powered...
Which object would be the BEST to use and why?
A
The radio because it can be powered using batteries or electricity.
B
The clock because the pendulum begins to swing when it has a source of power.
C
The light bulb in a lamp because electricity leads to a chemical reaction in the light bulb.
D
The bottle of soda because the liquid soda heats up when the temperature is increased when it is left in the sun.
Answers: 2
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