What does friction produce?

• light
• sound
• heat
• gravity

Tags

NGSS.HS-PS3-4

On which surface will a toy sledge travel the least distance?

• Carpet

• Wood

• Ice

Tags

NGSS.MS-PS2-2

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

• similar
• opposite
• parallel
• west

The rougher the surface, the faster an object will travel over the surface.

• True
• False

What has the most mass?

• a car

• a boat

• an airplane

• a feather

What has the least mass?

• a house

• a car

• a camper

• a balloon

What is force?

• A push or pull.

• A fast moving object.

• A large amount of energy.

The force that pulls objects towards Earth.

• Gravity

• Friction

• Wind

• Sun

Tags

NGSS.MS-PS2-4

The location of a place or an object is called its....

• position

• motion

• speed

What do you need to know in order to measure speed?

• Time and distance.

• Color and size.

• Sound and smell.

• Spelling

Tags

NGSS.MS-PS3-1