Unit 13 Post-Assessment

A soccer ball being kicked across a field is an example of which kind of force?

• push

• pull

• friction

• gravity

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Which kind of force causes gravity?

• push

• magnetism

• pull

• friction

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In the magnet car activity, sandpaper and aluminum foil caused the cars to move slower because of ____.

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Attraction and repulsion are examples of which force?

• gravity

• push

• pull

• magnetism

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If force is applied to an object, it could not move or change its position at all.

• True

• False

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The greater the mass of an object, the greater the force needs to be for it to overcome ____.

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Metals like aluminum, gold, silver and copper are attracted to magnets.

• True

• False

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True or False? If you place two magnets with opposite poles next to each other, they will repel. 

A moving object, like a race car, will always change its

• direction

• position

• speed

• motion

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The amount of time it takes for an object to move from point A to point B is called ____?

• speed

• direction

• position

• pull