Simple Machines

What simple machine holds things together?

• Wedge
• Screw
• Lever
• Pulley

What simple machine has a fulcrum and can be used to lift a weight?

• Pulley
• lever
• screw
• wedge

What simple machine has a wheel with a groove on it that keeps a rope in place?

• pulley
• lever
  lever
• screw
  wedge
• wedge
  screw

Which simple machine is made up of two parts and can be found on bikes, wagons and wheelbarrows?

• wheel and axle
• inclined plane
• lever
• screw

Which simple machine doesn't move and a heavy object can be rolled or pushed up this machine?

• wheel and axle
• inclined plane
• wedge
• screw

work is...

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

Which is not a type of simple machine?

• spring
• screw
• pulley
• wedge

What type of simple machine is found on the cap of a pickle jar?

• lever
• inclined plane
• pulley
• screw

A screw is made up of _____ wrapped around a post or rod.

• threads
• springs
• treads
• strings

Which is a characteristic of a simple machine?

• They run on electricity.
• They take a long time to make.
• They have few or no moving parts.
• They are not very large.