Third Periodical Test in Science 6

A ball rolled after being kicked and slowed down until it stopped. Which of the following forces caused the ball to slow down?

• electrical

• friction

• gravity

• magnetic

Which of the following statements describe friction?

• It slows down motion.

• It does not oppose motion.

• It pulls objects downward.

• It moves along with the object.

In which of the following situations would friction most likely pose a problem?

• holding a pen to write

• walking on a slippery floor

• striking a match to cook

• rubbing your hands to warm them

Which of the following is a key message to include in a road safety advertisement?

• Always drive fast

• Never wear a seatbelt

• Look left, right, and left again before crossing the road

• Use phone while driving

Why is difficult to move heavy objects on a rough surface?

• rough surface is slippery

• there is no friction on a rough surface

• there is lesser friction on a rough surface

• there is greater friction on a rough surface

When can we say that friction on a floor is greater? If the floor is _______.

• wet

• tiled

• rough

• smooth

What will happen if a ball is thrown upward?

• The ball remains in the air.

• The ball will go back to the ground.

• The ball moves in a curve path.

• The ball continues to move upward.

When you are travelling along a road, how does the wet road affect friction?

• It increases friction.

• It maintains friction.

• It decreases friction.

• It increases and decreases friction.

What is the main purpose of creating an advertisement about road safety?

• to sell product

• to entertain people

• to educate people about road safety

• to promote a movie

Which activity is a way of reducing friction?

• applying lubricant

• putting spikes on tires

• using rubber shoes

• removing wheels on heavy cabinets