16. Transformation of energy occurs when
A. energy is wasted.
C. there is electricity.
B. energy is created.
D. energy is transformed from one form to another.
17. Which shows transformation of energy in a television?
A. mechanical energy
sound -
light
B. electrical energy
light
sound
C. light electrical energy
mechanical energy
D. electrical energy
light - sound -
heat
18. When you light the wood to burn, what kind of energy transformation occurs?
A. transformation through heat
C. transformation through work
B. transformation through light
D. transformation through vacuum​