Laws of Motion

An object's motion won't change unless acted on by a _________

• spell
• force
• motion
• command

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

For every action there is ______ and opposite reaction.

• an equal
• a stronger
• a weaker
• an exciting

Tags

NGSS.MS-PS2-1

_______ force is needed to move objects of larger mass.

• Less
• Equal
• More
• Light

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A still object __________ have forces acting upon it.

• does
• can't
• doesn't
• will sometimes

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The force that pulls objects down towards the center of the Earth.

• Friction
• Gravity
• Air Resistance
• Wind Resistance

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NGSS.MS-PS2-4

This force is caused by objects rubbing together.

• Gravity
• Air Resistance
• Friction
• Spinning

A rocket launches because of ______.

• its large mass
• an opposite reaction
• gravity
• air resistance

Tags

NGSS.MS-PS2-1

Objects in motion tend to stay in motion, while objects at rest, tend to _____________.

• stay at rest
• roll
• start moving
• bounce

______________ forces do not affect the movement of an object.

• Strong
• Weak
• Light
• Balanced

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

This force is caused by air and slows things down.

• Friction
• Air Resistance
• Gravity
• Pulling