6.8E Concept Attainment Quiz

The force Earth exerts on objects on or near its surface

• gravity

• force

• load

• simple machine

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A flat, sloped surface

• load

• gravity

• force

• inclined plane

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NGSS.MS-PS2-2

a push or pull

• force

• load

• book

• chair

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NGSS.MS-PS2-2

a device with few or no moving parts that helps you do work

• simple machine

• load

• force

• distance

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NGSS.3-5-ETS1-1

An object that is moved with a machine

• load

• force

• gravity

• none of the above

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In order to make work easier to push a wheelbarrow full of heavy stones up a few stairs, you could use a

• inclined plane

• load

• stone

• nothing

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In order to change the motion of an object, you need______. This can be measured using a _______ in the unit of newtons

• force; spring scale

• load, force

• ruler, book

• light, batteries

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NGSS.MS-PS2-2

There are many types of ______ that allow you to exert force over a longer distance, thus making work easier.

• simple machines

• load

• force

• markers

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Simple machines make work easier.

• True

• False

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NGSS.MS-ETS1-1

As distance increases, ______ decreases.

• force

• load

• gravity

• distance