2DSrer.
B. Heat Energy
1 MULTIPLE CHOICE: Read each item carefully then circle the letter of the correct
1. If you use some appliances, you observe that after few minutes, electrical energy is always
produced
A. Light Energy
C. Sound Energy
D. Mechanical Energy
2. Many appliances you use every day change electrical energy into other forms. When you
use a toaster to toast bread, electrical energy is changed to
and
A Heat and Sound
C. Light and Heat
B. Light and Sound
D. Heat and Nuclear
3. When you plugged a transistor radio in an electrical outlet and switch on the power
button, automatically the electrical energy is turned to
A Heat Energy
B. Sound Energy C. Light Energy
D. Radiant Energy
and
4. When we turn on the television, electrical energy changes into light,
A. Sound B. Heat and Sound C. Heat and Light D. Heat and Chemical
5. When you lighted a lamp or candle, the chemical energy of the lamp is changed into light
energy, and at the same time it can produce
A. Heat
B. Sound
C. Electricity D. Chemical
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