Complex

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

• complicated machine

• complex machine

• constructed machine

Which statement correctly explains a complex machine?

• A complex machine is made up of one or more simple machines

• A complex machine is a tool that consists of a combination of more than one simple machine

An axe is a complex machines. It consists _____________

• wheel and axle

• pulley

• inclined plane

• wedge

Tags

NGSS.MS-PS2-1

The picture shows _________

• Simple machine

• Complex machine

Identify an example of each of the three states of matter present when the candle is burning.

• The melting wax

• Liquid

• The hard wax of the candle

• Solid

• The fire/flame

• Gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

• Screw and wedge

• pulley and wedge

• Screw and inclined plane

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

• lever

• wedge

• wheel and axle

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-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-4

Complex machines can do more difficult jobs than simple machines alone.

• True

• False