Force & Motion

A _____ is a pull or a push.

• force
• friction
• gravity
• speed

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When you type on the keys of your Chromebook you are using a

• pull
• push
• gravity
• friction

A _____ moves an object closer to you.

• push
• pull
• friction
• cat

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

• Friction
• Gravity
• Pull
• Push

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.

What keeps the Moon in orbit around Earth?

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

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction
• Work
• Displacement

In the image, which of the person and their bikes will get down a hill faster? 

• The boy because he is younger
• The woman because she is stronger
• The boy because he has a greater mass which applies a greater force
• The woman because she has more mass and applies a greater force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Why does a rolling ball stop?

• Gravity
• Friction
• Waterfalls
• Sand

Tags

NGSS.MS-PS3-5

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Tags

NGSS.MS-PS2-1