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Transcript
```Physical Science
Unit Review
Unit IV Force and Motion
Name: ________________
Need extra help? Check out www.bayhicoach.com
Hour: _____
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