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Simple Machine Test Review

Authored by Sylvia Bennett

Science

7th Grade

NGSS covered

Used 3+ times

Simple Machine Test Review
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does using a pulley to lift an object increase mechanical advantage?

by decreasing the mass of the object being lifted

by increasing the mass of the object being lifted

by increasing the amount of force needed to lift an object

by decreasing the amount of force needed to lift the object

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram shows a lever.

Which statement is true?

Energy transfer must equal the load.

Energy transfer must be more than the load.

Load must be larger than the energy transfer.

No relationship exists between the energy transfer and the load.

Tags

NGSS.MS-PS3-5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

This is a diagram of just four simple machines.

Which simple machine would most likely be used to move an object over great distances and on a flat surface?

R

S

T

U

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram shows a man using a lever to move a rock.

Which change can they make to the fulcrum, to decrease the force he has to apply?

remove the fulcrum

put the fulcrum on top of the lever

move the fulcrum closer to themselves

Move the fulcrum closer to the rock

Tags

NGSS.MS-ETS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do simple machines make it easier to move an object?

They multiply the resistance to the applied force on the object.

They maintain the direction in which the force is applied on the object.

They increase the amount of force that needs to be exerted on the object.

They decrease the amount of force that needs to be exerted on the object.

Tags

NGSS.MS-ETS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which action increases a machine's efficiency?

increasing the amount of work

increasing the amount of friction

decreasing the amount of friction

decreasing the amount of work

Tags

NGSS.MS-ETS1-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

which simple machine helps raise and lower a flag on a flagpole?

Pulley

Wedge

Lever

Inclined plane

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