Directions: Read each question carefully and write the letter of the correct answer
on a separate
sheet of paper.
1. Which form of energy comes from hot springs and volcanoes?
B. mechanical
C. sound
D thermal
2. Which is the best activity to save electricity?
B. keep air conditioner on
C. switch on lights during daytime
C. open the refrigerator always D. tum off computers when not use
3. Why is electricity commonly used as a source of energy in urban areas? Because
D. abundant
B. convenient C. fashionable D. unlimited
4. What form of energy is produced by vibrating medium?
A chemical
B. electrical
C. heat
D. sound
5. What form of energy is produced by rubbing surfaces together?
A chemical B. electrical c heat
D. sound 6. What is the energy
produced by moving electrons ?
A. chemical
B. electrical
C. mechanical D. thermal
7. What kind of energy does lightning possess?
A. chemical
B. electrical
c. mechanical D. radiant
8. You need to disinfect your boddings. What kind of energy is most appropriate to use?
A chemical B. electrical C. mechanical D. radiant
9. You cook rice everyday using a rice cooker. What kind of energy do you use?
chemical B. electrical C. mechanical D. sound
10. How is radiant energy used in medicine?
A. drying clothes
C. destroying abnormal cells
Beating cooked food
D. disinfecting beddings
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Answer:
1.) D. thermal
2.) D. turn off computers when not use
3.) B. Convenient
4.) D. Sound
5.) B. Electrical
6.) C. Mechanical
7.) D. Radiant
8.)
Explanation:
1.) D. Thermal
2.) D. Turn off computers when not use
3.) B Convenient
4.) D. Sound
5.) C. Heat
6.) C. Mechanical
7.) D. Radiant
8.) D Radiant
9.) B. Electrical
10.) D. Disinfecting Beddings