This simple machine is made up of an inclined plane wrapped around a cylinder. What simple machine is it?

• Lever

• Pulley

• Screw

• Wedge

These two parts act as one simple machine. What simple machine is it?

• Pulley

• Wheel and axle

• Inclined plane

• Screw

You can increase a machine's efficiency by...

• Increasing friction

• Reducing friction

• Adding more weight

• Using more energy

Sara wants to open this glass bottle of Coke. This simple machine would make it easier for her to open the bottle. What simple machine is it?

• Lever

• Pulley

• Wedge

• Wheel and axle

How do simple machines make work easier?

• By increasing the amount of work needed

• By creating mechanical advantage

• By decreasing the distance

• By increasing friction

Using this simple machine can save effort, although the object must usually cover more distance. What simple machine is it?

• Inclined plane

• Lever

• Pulley

• Wedge

Tags

NGSS.MS-PS2-2

What simple machine is represented here:

• Lever

• Pulley

• Wedge

• Wheel and axle

What type of simple machine is a seesaw?

• Wheel and axle

• Lever

• Pulley

• Wedge

Tags

DOK Level 1: Recall

A compound machine is...

• A machine with only one part

• A machine that uses electricity

• A machine made of two or more simple machines

• A machine that cannot move

All of the following are examples of inclined planes except –

• a ramp

• a screw

• a slide

• a seesaw