1. Motion and Simple Machines

2. True or False This girl is in motion. true

3. What type of simple machine is shown in the picture? pulley

4. What simple machine is being used in the picture? Inclined plane or ramp

5. false True or False A pulley is a bar that moves around a fixed point.

6. How does the bicycle brake stop the motion of the bike? Friction between the brake and the wheel stops the motion.

7. How does the lever make it easier to open the can? You push down on one end of the lever and the other end lifts up the lid.

8. Which skater is faster? Why do you think so? Skater B is faster because that skater has gone farther in the same amount of time.

9. Describe the position of the clock in the picture below. The clock is under the picture on top of the fireplace.

10. True or False Friction is a machine. False

11. Which ball requires more force to get to the hole? Ball B requires more force because it is further away from the hole.

12. A _______ is a wheel with a groove through which a rope or chain moves. pulley

13. A ________ is a bar that moves around a fixed point. It can change the direction of a motion. lever

14. An object that is in ________ changes its position, or moves from one place to another. motion

15. A/An________ is a slanted tool used to move things from one level to another. Inclined plane or ramp

16. A _________ is a tool that can make it easier to move objects. simple machine

17. GREAT JOB!