6. Which is not a type of simple machine?
A.Spring B.Screw C.Pulley D.Wedge
7. What type of simple machine is found on the floor of a bathtub?
A.Screw B. Inclined plane
C.wedge D.pulley
8. Which of these is an example of wedge?
A.skateboard B.Broom
C.stairs D. Pulley
9. Which is an example of someone using a simple machine to do work?
A. A boy runs across a football field
B. A banker counts money
C. A mother pushes a stroller up a ramp into a building
D. A girl eats a sandwich
10. Jan is using a screwdriver to insert a screw.The screwdriver is being used as
A. A pulley B. A screw
C. A lever D. A wheel and axle