3. Velocity- the speed and direction of an object

5. Acceleration- change in speed or direction

7. Force- pushes and pulls of all kinds

9. Inertia- an object keeps moving in a straight motion until stopped and keeps unmoving until forced to start

11. Speed- the measure of an object’s change in position during an amount of time

13. Gravity- the force of attraction between Earth and other objects

15. Friction- a force that resists motion between objects that are touching

17. Motion- a change of position of an object

19. Position- the location of an object