This document provides definitions for key physics concepts related to motion and forces. It defines position, frame of reference, speed, and force. It also defines kinetic and potential energy, friction, and work. Examples are given for different frames of reference and types of energy. The full definitions and examples are not included for brevity.

2. You can tell that an
object has moved when
its __________ has
changed.
position

3. frame of
reference
The object used for comparing
another object to describe its
position is called a…

4. The distance an object
moves in a certain amount of
time is called _________.speed

5. A ______
graph can be
used to show
the change in
an object’s
speed over
time.
line

6. What makes objects change
speed or direction?

7. What unit is used to
measure forces?
YUM!!
Not
that
kind!!

8. What is a force between
surfaces that slows or stops
objects?

9. Friction creates
______.heat

10. When an object is in
motion it tends to stay ...

11. When an object is still it
tends to remain ...

12. This is called…

13. The use of a force
to move an object
is ________.work

14. The ability to do
work is called
_________.energy

15. The energy of
motion is
__________
energy.
kinetic

16. The energy of
position is
_____________
energy.
potential

17. Name the frame of
reference in each
of the following
statements.

18. The dog is beside
the house.

19. The duck is
swimming in
the pond.

20. Name the type of
energy in each of
the following
statements.

21. The ball is rolling down
the hill.

22. The roller coaster is
sitting at the top of the
track.

23. The pencil fell off the
edge of the desk.

24. The skier is at the top of
the ski jump.