simple machines

What simple machine has a wheel and rope?

• pulley
• lever
• wheel and axle
• inclined plane

What simple machine tilts back and forth?

• ramp
• screw
• pulley
• lever

Is a pair of scissors a pulley?

• yes
• no
• maybe
• I don't know

What kind of simple machine is the head of an ax?

• screw
• wheel and axle
• pulley
• wedge

What simple machine is a doorknob?

• pulley
• lever
• wheel and axle
• ramp

How many simple machines are there?

• six
• two
• ten

What are the simple machines?

• ramp, wheel and axle, screw, wedge, lever and pulley
• ramp, wedge, wheel and axle, and lever