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1. What energy makes us see everything around us?
A. chemical B. electrical
C. light D. solar
2. What form of energy is used by plant during photo synthesis to produce their own
food?
A. chemical B. electrical
C. light D. mechanical
3. What is the chief source of radiant energy?
A. asteroid B. comet
C. moon D. sun
4. A group of scouts are having their campfire. The weather is in low pressure, so they need the energy coming from the burning fire. What form of energy they need? A. chemical B. electrical
C. heat D. solar
5. A lighted candle, a lam, and a bulb transformed its radiant energy into ___.
A. heat B. heat and electrical
C. heat and mechanical D. Chemical and electrical
6. During the process of photosynthesis, plants transform the Sun's light energy into another form energy. What energy is this?
A. chemical B. electrical
C. heat D. solar
7. Which of the following shows that radiant energy is changed to chemical energy? A. lighting a candle B. switching on of a flashlight
C. an athlete run after drinking water D. using sunlight to disinfect bedding
8. What energy transformation took place when you cook your food using firewood? A. light to heat B. heat to chemical
C. light to chemical D. electrical to chemical
9. Mario went to his farm early is the morning. The sun is shining brightly. While digging the soil for an hour, Mario felt hot. What energy transformation took place is the situation?
A. chemical ---> heat ---> light B. chemical ---> light ---> heat
C. light ---> chemical --> heat D. light ---> heat
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