Understanding Friction

Understanding Friction

Assessment

Interactive Video

Physics, Science

5th - 8th Grade

Hard

Created by

Amelia Wright

Used 6+ times

FREE Resource

The video explores how objects move and stop due to friction, using real-life examples like a ball on the ground, skating on different surfaces, and holding a bottle. It explains that friction is a force exerted by surfaces, acting in the opposite direction of movement. The video compares friction levels on various surfaces, such as ice rinks and roads, and previews future lessons on factors affecting friction and its types.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to a ball moving on a flat ground with no external force acting on it?

It eventually comes to a halt.

It keeps moving forever.

It changes direction.

It speeds up.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is skating on an ice rink smoother than skating on a road?

Because the road is rougher.

Because the ice rink is larger.

Because the ice is colder.

Because the force of friction is lesser on the ice rink.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why doesn't a bottle slip through your hand when you hold it?

Because of the force of friction between your hand and the bottle.

Because of the temperature of your hand.

Because of the weight of the bottle.

Because of the shape of the bottle.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the friction offered by a floor when it is wet?

It increases.

It stays the same.

It reduces.

It disappears completely.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is friction?

A type of motion.

A type of energy.

A type of force.

A type of material.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which direction does the force of friction act when an object moves?

Perpendicular to the movement.

In the opposite direction to the movement.

In the same direction as the movement.

In a random direction.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is skating on an ice rink easier than on a road?

Because the ice rink is colder.

Because the ice rink is smoother.

Because the ice rink is larger.

Because the force of friction is lesser on the ice rink.

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