Simple Machines

Which is not a type of simple machine?

• spring
• screw
• pulley
• wedge

work is...

• energy from the sun
• a type of machine
• a force that moves an object
• a force that pulls you toward the earh

What simple machine can be used to split things apart and also it can hold open a door?

• Lever
• Pulley
• Wedge
• Screw

A push or pull that can move an object is a

• fulcrum
• force
• machine
• lever

All simple machines help make work _________.

• harder
• smaller
• lighter
• easier

A ramp.

• Lever
• Inclined Plane
• Wedge
• Screw

What type of simple machine is shown here?

• Pulley
• Wheel and Axle
• Lever
• Wedge

Mechanical Advantage:  To reduce the friction of moving something.

• Lever
• Inclined Plane
• Screw
• Wheel and Axle

Something similar to a see-saw that can lift an object.

• Wedge
• Screw
• Lever
• Wheel and Axle

What type of simple machine is this?

• Wheel and Axle
• Pulley
• Wedge
• Screw