Forces and Motion

One way that a force can cause the change in an object's motion is to...

• do nothing.
• eat ice cream.
• start the object moving.
• shine on the object.

Tags

NGSS.MS-PS2-2

Another way that force can cause the change in an object's motion is to...

• change its color.
• change its pitch.
• change its direction.
• change its spots.

Tags

NGSS.MS-PS2-2

_____ is the force that slows and stops motion between touching objects.

• Friction
• Gravity
• Pull
• Push

Which has the least friction?

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

How does friction help us move from place to place?

• Friction does not help us.
• Friction keeps us from slipping and sliding.
• Friction only helps cats.
• Friction makes us slip and fall.

Why do air planes and race cars have sleek shapes?

• to reduce friction from air resistance
• to increase air resistance
• to look more appealing than cats
• so people will buy them

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

What keeps the Moon in orbit around Earth?

• Earth's rotation.
• Earth's atmosphere.
• Earth's gravity.
• Earth's shape.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which would require the most force to move?

• a toy car
• a sleeping cat
• a science book
• a chair with a friend sitting in it

Tags

NGSS.MS-PS2-2

Balanced forces can cause

• an object to speed up or slow down
• an object to stay still or move at a constant speed and direction

Tags

NGSS.MS-PS2-2

Who is winning this race?

• A
• B

Tags

NGSS.MS-PS3-1