2. When the food in our body burns up, energy is released some of these energy is
a. chemical heat
b. chemical - heat --muscular
heat
C. Muscular - heat
d. chemical -- mechanical
3. Energy can be transformed into different form this statement is
a. True
b. false
d. unbelievable
c. maybe
and become hot. Later the food was already cooked. What energy transformation is
4. Mother connected the plug at the oven in an outlet. After a while it starts to light
present.
a. chemical to sound
b. Chemical to electrical
C. electrical to mechanical
d. electrical to light and heat
5. What is usually produced when electrical energy is transformed into different
c. light energy
b. mechanical energy
forms of energy.
a. heat energy
d. sound energy
6. What can be observed when electric fan move in a certain time.
a. The back part become hot
b. Nothing can be observed at the back of the electric fan
c. The back part remains cool
d all of the above
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