Unit 1: Forces Around Us - Forces and Motion Quiz

Hitting a nail with a hammer is a __________

• pull

• strike

• push

• crash

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A force is ___________ .

• pushing

• a pull between two objects

• the amount of gravity between two objects

• a push or pull

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We tested the speed of a toy car by pushing it down a ramp. What tools could we use to measure the speed of the toy car?

• a ruler and a scale

• a scale and a stopwatch

• a stopwatch and a ruler or grid paper

• a measuring cup and a scale

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Objects can only move in a straight line.

• True

• False

What force makes a basketball slow down as it rolls on a flat surface?

• gravity

• friction

• inertia

• an electrical force

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If you push a box around the room it is an example of ____________ .

• balanced forces

• unbalanced forces

• potential energy

• chemical energy

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You are walking a small dog and a big dog. Suddenly, the dogs both pull in opposite directions. In which direction will you be pulled?

• toward the smaller dog

• toward the bigger dog

• away from the dog that is applying the most force

• toward the dog that is applying the most force

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NGSS.3-PS2-1

You and your classmates are racing 3 toy cars. Each car started at the same time. The picture shows how the race ended. Which was the fastest car?

• Car A

• Car B

• Car C

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Which of the following are ways to measure movement? Select all that apply.

• distance

• prediction

• speed

• time

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_________ forces act on an unmoving object.

• balanced

• unbalanced

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