Understanding God's World Quiz 3

Balanced forces are opposing forces which ______. (p. 90)

• prevent work from being done

• do work

•  move things

A ______ is when two objects bump into each other. (p. 98)

• collision

• force

• attraction

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NGSS.MS-PS2-1

An object in motion will _______ unless acted upon by an unbalanced force.

(p. 94)

• move in a straight line while decreasing speed

• move in a straight line while increasing speed

• move in a straight line at a constant speed

________ was the scientist who discovered the laws of motion. (p. 93)

• Albert Einstein
• Galileo Galilei
• Sir Isaac Newton

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NGSS.MS-PS2-1

An object at rest will _______ unless acted upon by an unbalanced force. (p. 94)

• speed up

•  slow down

• stay at rest

The property of matter that makes it resist a change in motion is called_______ (p. 93)

 The greater the ______ of an object, the more inertia it has.

(p. 93)

Give an example of converted energy during a collision. (p. 98)

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

 An example of friction is_________ . (p. 89)

•  the force that draws objects to the earth

• two objects rubbing against each other

• the attraction of metal to a magnet

 Like poles of a magnet _____. (p. 90)

• attract

• rub

• repel

Tags

NGSS.3-PS2-3