What is a PUSH or PULL of an object?

• Motion

• Force

• Friction

• Gravity

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What pulls a ball back to earth?

• Gas

• Gravity

• Friction

• Molecules

Tags

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_______ is a force that acts between two objects which are touching. This force slows any movement between the two objects.

• pressure

• magnetism

• friction

the amount of material in a substance

• inertia

• force

• mass

• motion

Tags

NGSS.MS-PS1-1

What surface would probably offer the least friction if you were to slide a box across it?

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

• True

• False

1. It is easier to ride a bicycle down a hill than to ride up a hill because _______ helps the bicycle move down the hill.

• gravity

• friction

• rotation

Tags

NGSS.MS-PS2-2

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the tendency of an object to resist a change in its motion

• acceleration

• inertia

• mass

Objects with greater _________ also have greater inertia.

• speed

• mass

• friction

Tags

NGSS.MS-PS2-2

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What kind(s) of objects have inertia?

• all objects with mass
• only objects at rest
• only objects in motion
• only objects whose motion is being changed

Tags

NGSS.HS-PS2-1