complex machines

What do you call a machine made up of two or more simple machines?

• complicated machine

• complex machine

• constructed machine

What do we use a machine for?

• To dream about nice things.

• To create new worlds.

• To make a job easier.

• To start a job.

Tags

NGSS.4-PS3-4

The picture shows _________

• Simple machine

• Complex machine

Which of the following tools has wedge, wheel and axle?

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Which of these tools has gear?

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Which of the following simple machines can be found in this complex machine?

• Screw and wedge

• pulley and wedge

• Screw and inclined plane

This complex machine has a pulley.

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Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

NGSS.MS-PS2-1

A wheelbarrow is an example of a complex machine. Which simple machine is NOT found in this object?

• lever

• wedge

• wheel and axle

Tags

NGSS.MS-ETS1-2

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A fishing pole is an example of a complex machine. What simple machines are used to make up this complex machine?

• lever, wheel and axle, pulley

• wheel and axle, inclined plane, pulley

• wheel and axle, pulley, inclined plane

Tags

NGSS.MS-PS2-1

What simple machines are used to make up this complex machine? Tick three ( / ) correct answers.

• wheel and axle

• screw

• gear

• pulley

Tags

NGSS.MS-PS2-1