FRICTION QUIZZ

Which has the least friction?

• snowboard on a snowy hill
• running on the playground
• sandpaper on wood
• a racer on a track

Tags

NGSS.3-PS2-1

Why is there less friction between two ice cubes touching than between sandpaper on wood?

• They have rough surfaces.
• They have loud surfaces.
• They have smooth surfaces.
• They have bright surfaces.

Tags

NGSS.5-PS1-3

What is one way to reduce friction?

• Put sandpaper between the surfaces that touch.
• Push the surfaces closer together.
• Shine a light on the surfaces.
• Put a slippery substance between the surfaces.

What type of friction is not moving?

• static
• sliding
• fluid
• rolling

Which of the following is an example of friction that is helpful?

• Brakes used on a bike
• Tires from a car on the road
• Tread on the bottom of your shoes
• All are examples that are helpful

How would the absence of friction affect a marble traveling on a long, straight path?

• The marble’s speed would decrease.
• The marble’s speed would increase.
• The marble would stop immediately. 
• The marble would remain at constant speed.

Tags

NGSS.MS-PS2-2

Wheels on a skateboard most likely experiences-

• Rolling Friction
• Sliding Friction
• Fluid Friction
• Static Friction

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

Sally experiences-

• Rolling Friction

• Dry Friction

• Fluid Friction

• Static Friction

Friction is a force that acts in an ___________ direction of movement.

• similar
• opposite
• parallel
• west

Tags

NGSS.3-PS2-1

When most objects with smooth surfaces rub, there is less friction.

• True
• False