13 If the moon is closer to the Earth, what would happen to the force between them?
A disappear
B. get bigger
C. get smaller
D. stay the same
14. Which of these have the biggest gravitational pull on Earth?
A. a 10-kg rice
C. a 100-g mouse
B. a100-kg boxer
D. a 1000-kg elephant
15. Which of these is not a correct statement?
A. There is no gravitational pull on the moon.
B. Gravitational pull is less on the moon than on Earth.
C. There is greater gravitational pull on Jupiter than on Earth.
D. Gravitational pull is less on top of Mount Everest than at sea level. 16. Sonny went to Baguio and experienced difficulty in driving as he heading uphill. What do you think is the reason why it is hard going up? A. Because it is being pulled by the weight of the car.
B. Because the pull of gravity if pushing against the car.
C. Because the pull of gravity is pushing toward the car.
D. Because the pull of gravity is pushing upward the car.
17. What do we call a device used to slow down the motion of a falling object by higher air resistance.
A. cart
B. parachute
C. toy car
D. magnet
18. Who is the scientist that describe gravity?
A. Alexander Graham Bell
C. Aristotle
B. Isaac Newton
D. Thomas Edison
19. The amount of matter in an object is called
A. air pressure
B. density
C. mass
D. weight
20. The gravitational force causes objects to fall toward the center of earth. As an object falls, it experiences
C. mass
D. weight
A. air resistance
B. density​