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

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

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

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

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
__h_ea_t__.

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 __w__o_r_k__.

14. The ability to do
work is called
__e_n_e_r_g_y__.

15. The energy of
motion is
__________
kinetic
energy.

16. The energy of
position is
_____________
potential
energy.

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.