Science 6 (1-10 questions)

A. Written Tasks:
Direction: Read each question and write the letter of the correct answer.

1) What force occurs between the surfaces of two objects rubbing against each another?
A. Gravity
B. Friction
C. Magnetism
D. Electricity

2) What happens if we smoothen the surfaces of objects?
A. The gravity increases
B. The friction increases
C. The gravity decreases
D. The friction increases

3) When we run our hands, ___ is generated.
A. Electricity
B. Magnetism
C. Heat
D. Nothing

4) A ball is rolling on the floor in a straight line. After a while, it slows down and then came to a stop. What made the ball stop?
A. The floor
B. The wind
C. Gravity
D. Friction

5) You observed in a road construction, workers would pull a broom over freshly placed concrete to make is rough. Why?
A. So it will be easily damaged
B. So that small vehicles could not pass on it
C. So the road becomes rough and slip-resistant for vehicle tires
D. So that floods could be prevented

6) Objects with lesser mass create ___ friction.
A. lesser
B. Greater
C. Smoother
D. Zero friction

7) Aside from the help of their parachutes, professional skydivers have the skill to control their speed while falling down. What should they do if they want to slower their descent?
A. They should be straighten their bodies while falling down.
B. They should position their bodies with heads pointing downward.
C. They should go into a standing up posture.
D. They should spread their arms and legs while facing downward.

8) What are the forces that act on a parachute and a parachutist?
I. Air friction II. Heat III. Gravity IV. Magnetism

A. I, IV
B. II, III
C. I, II, III, IV
D. I, III

9) It is a force that pulls everything towards the center of the Earth.
A. Gravity
B. Magnetism
C. Friction
D. Static

10) My brother tried to push an empty Orocan in a roughly-finished floor towards the corner of a room but he had a hard time doing the job. What do you think is the reason?
A. The Orocan is still heavy even though it is empty.
B. The floor is rough thereby creating greater friction.
C. My brother is lazy because nobody is helping him.
D. The way to corner of the room is filled with stuffs.​