1. Which of the following statements describes sound energy?
A. It is an energy set into motion.
B. It is produced by vibrating objects.
C. It is the most powerful form of energy.
D. It is the movement of atoms in a material.
2. Mr. Ramos donated three solar panels in your school. After installing the solar panels
on the roof, it produces electricity. Which of the following is true about solar panels?
A. It converts chemical energy into electrical energy.
B. Solar panels convert light energy to electricity.
C. Solar panels are made from crystalline salt.
D. Solar panel is used to design a roof.
3. What energy is used for communication, warning, entertainment but can also cause
bodily harm?
A. heat
C. electrical
B. light
D. sound
4. How is heat transferred in a microwave oven?
A. by boiling
C. by convection
B. by conduction
D. by radiation
5. Which of the following materials converts electricity to light energy?
A. fan
C. floor polisher
B. fluorescent lamp
D. refrigerator
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Answer:
1. B - It is produced by vibrating objects.
2. A - It converts chemical energy into electricity energy
3. D - sound
4. B - by conduction
5. B - fluorescent lamp