Simple Machines: Wedge, Screw, Inclined Plane

An _________________ is a slanted surface.

• wedge
• screw
• inclined plane

A ________ is a post with threads wrapped around it.

• wedge
• screw
• inclined plane

A _____________ is 2 inclined planes put back to back.

• wedge
• screw
• inclined plane

A wedge changes the direction of a force.

• True
• False

A drill bit and a nut and bolt are examples of which simple machine?

• wedge
• screw
• inclined plane

A ramp and a hill are examples of which simple machine?

• wedge
• screw
• inclined plane

A knife and a pair of scissors are examples of which simple machine?

• wedge
• inclined plane
• screw

The threads of a screw are really which simple machine?

• wedge
• screw
• inclined plane

What 2 things does an inclined plane change?

• The direction of the force and the way that work is done.
• The color of the force and the way that homework is done.
• The size of the force and the way that food is eaten.
• The total amount of weight of the object and the way that it is built.

What simple machine are your teeth an example of?

• wedge
• screw
• inclined plane