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Physical Science
Unit Review
Unit IV Force and Motion
Name: ________________
Need extra help? Check out www.bayhicoach.com
Hour: _____
Directions: Answer the following questions.
1. Remember the hockey video. On the assignment you will find Newton's Three Laws of Motion.
Write them below using complete sentences.
First Law: _____________________________________________________________
_______________________________________________________________________
Second Law: ___________________________________________________________
_______________________________________________________________________
Third Law: _____________________________________________________________
_______________________________________________________________________
2. Examine the Gravity – A Familiar Force
a. The amount of gravitational force between two objects depends on what two things?
_________________________________________________________________
b. What are two examples of gravitational force in your daily life?
_________________________________________________________________
c. How are weight and mass different on the moon from what occurs on the earth?
_________________________________________________________________
3. What is a force? A _____________________ or a ______________________
4. Examine the study guide for A Crash Course in Safety. Examine question number seven on the
study guide. What does the seat belt do that helps prevent injury?
_______________________________________________________________________
5. Examine the study guide for Newton's Second Law of Motion.
a. How are acceleration and mass related when an unbalanced force is applied to an object?
________________________________________________________
_________________________________________________________________
b. Force = mass x ____________________________________
6. Examine the Force and Acceleration Lab.
a. How was a force applied to the car to make it accelerate?
_________________________________________________________________
b. This lab shows that mass times acceleration =__________________________
Physical Science
Unit IV Force and Motion
Name: ________________
Need extra help? Check out www.bayhicoach.com
7. Examine the sheet on Newton's Third Law of Motion.
a. Newton's third law states that forces come in __________________.
Hour: _____
b. Illustrate (draw a picture of) the following force pairs. Label each of the force pairs in each
drawing.
1. person on chair (two pairs)
2. person doing bench presses on a weight bench (three pairs)
3. two people in a tug of war (two pairs)
8. According to Newton's Second Law of Motion why re
a the linemen in football so
heavy?________________________________________________________________
9. Define the following terms.
force ___________________________________________________________________
gravity _________________________________________________________________
friction _________________________________________________________________
inertia __________________________________________________________________
newton _________________________________________________________________
Physical Science
Unit IV Force and Motion
A Blast from the Past
Name: ________________
Hour: _____
Need extra help? Check out www.bayhicoach.com
Match the definition in Column I with the proper term in Column II
_____ 10. a push or a pull
_____ 11. SI unit of length
_____ 12. force of attraction between any two masses
_____ 13. units obtained by combining other units
_____ 14. amount of space occupied by an object
_____ 15. unit used to express volume
_____ 16. SI unit of mass
_____ 17. amount of matter in an object
_____ 18. mass per unit of volume
_____ 19. the tendency of a body to resist acceleration
_____ 20. instrument used to measure mass
_____ 21. interval between two events
_____ 22. SI unit of temperature
_____ 23. SI unit of time
_____ 24. resistance between two bodies in contact
_____ 25. kilo_____ 26. centi_____ 27. milli_____ 28. deci_____ 29. hecto_____ 30. deka-
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
1.
m.
n.
o.
p.
q.
r.
s.
t.
u.
0.01
volume
mass
0.001
meter
10
derived
liter
1000
Kelvin
friction
balance
force
gravity
100
density
time
0.1
gram
inertia
second
Convert the following (remember what happened to King Henry?).
= ____________ km
34.
12 cm3
= _________ mL
32. 1.325 L = ____________ mL
35.
1500 mg
= _________ g
= ____________ cm3
36.
12.5 mm
= _________ cm
31. 500 m
33. 1 L
37. One cereal bar has a mass of 37 g. What is the mass of 9 cereal bars? Is that more than or less than 1
kg? Show your work to explain your answer.
38. Wanda needs to move 135 kg of rocks. She can carry 10 hg on each trip. How many trips must she
make? Show your work to explain your answer.
39. Dr. Mandrapa is working in her garden. She needs 1 kg of soil for her plants. She has 635 g. How
much more soil does she need to complete her task? Show your work to explain your answer.