Read each item carefully and choose the letter of the best answer.

1. Which is a characteristic of simple machines?

a. They run on electricity. b. They are difficult to use.

c. They have few or no moving parts. d. They have motors.

2. Which is not a type of simple machine?

a. spring b. lever c. wedge d. inclined plane

3. Which of these is an example of a wedge?

a. wheel b. spoon c. seesaw d. butter knife

4. Which of these is not an example of an inclined plane?

a. ladder b. slide c. wall d. driveway

5. Which of the following situations shows the use of a simple machine to do work?

a. a boy throwing the ball upward b. a banker counting money

c. a mother pushing a stroller up a ramp d. a lady watching the sunset​