Simple Machines and Energy

The purpose of a simple machine is to make work easier by allowing for a push or pull to occur over an increased distance.

• True

• False

Tags

NGSS.MS-ETS1-1

Which simple machine is a wheel on an axle or shaft that is designed to support movement and change of direction?

• Wheel-and-axle

• Wedge

• Pulley

• Lever

Tags

NGSS.MS-PS2-1

Which simple machine consists of a sloping surface, used for raising heavy objects, or sliding objects down?

• Wedge

• Inclined Plane

• Pulley

• Screw

Which simple machine is an inclined plane that is wrapped around a pole?

• Screw

• Pulley

• Wedge

• Wheel-and-axle

Why are simple machines "simple"?

• They reduce the effort required to perform a simple task. Less force can be applied.

• They are actually quite complicated.

• You can easily put two pieces of wood together.

• Splitting through wood is much faster.

Tags

NGSS.MS-ETS1-1

Which simple machine is this?

• Pulley

• Wheel-and-axle

• Inclined Plane

• Lever

Where might a screw be used?

• A bottle cap

• A Lightbulb

• Cell Phone Charger

• All of the above

Which simple machines are present?

(Pick two)

• Wedge

• Wheel-and-axle

• Inclined Plane

• Lever

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A simple machine is a device that helps to reduce the amount of _____ required to work.

• force
• energy
• work

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A ______ is a grooved wheel with a rope running along the groove.

• lever
• pulley
• screw

Tags

NGSS.MS-ETS1-2