PASAGOT PO NG MAAYOS!
DIRECTIONS: Encircle the letter of the correct answer.

11. Which of the following shows an example of elastic energy?
a. a rolling wheel
b. a pressed spring
c. pounding mortar and pestle
d. a falling debris
12. If an object is getting colder, what happens to its thermal energy?
a. decreases
b. Increases
c. rapidly increasing
d. remain the same
13. Which of the following objects has the greatest amount of gravitational potential energy?
a. a ball tossed horizontally
b. a ball rolling on the ground
c. a ball at the 5th floor of a building
d. a ball on the 10th floor of a building
14. How does heat flow from one object to another?
a. Heat flows from an object of higher temperature to lower temperature.
b. Heat flows from an object of lower temperature to higher temperature.
C. Heat flows stops when one object has higher temperature than the other
d. none of the above
15. Why is it that you are advised not to have octopus connections at home?
a. It overloads the whole circuit
b. it is hard to untangle the wires
c. It is fine to have octopus connections
d. It divides the energy among the appliances
16. What does EM in EM waves stands for?
a. electromagnet
b. electromagnets
c. electrical
d. electromagnetic
17. Which does Not contain a turbine inside to create electricity?
a. geothermal power plant
b. hydroelectric power plant
C. solar power plant
d. wind mill power plant
18. Which of the following objects rely on gravitational potential energy?
a. bow
b. mortar and pestle
c. rubber band
d. strings
19. How does a solar vane function?
a. It harnesses the energy from the sun
b. It absorbs energy from the sun and the wind
c. It gathers energy from the water heated by the sun
d. turbines turn while absorbing the energy from the sun
20. What is the importance of putting springs in motorcycles?
a. the springs make the motorcycle lighter
b. the springs makes the motorcycle go faster
c. the springs make the motorcycle fuel-efficient
d. the springs serve as a shock absorber, making less bumpy​