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Physical Science Midterm Review

Total questions: 57

Worksheet time: 29mins

Name
Class
Date
1.

Besides doing research, which of the following is an important means of gathering information?

a)

stating the problem

b)

making a measurement

c)

forming a hypothesis

d)

stating a conclusion

2.

A possible explanation or solution to a problem is called

a)

a law

b)

a hypothesis

c)

a conclusion

d)

an observation

3.
3. A hypothesis or set of hypotheses supported by the results of experimentation and observation is called a.....
a)
theory
b)
law
c)
observation
d)
fact
4.
4. A well established and proven theory is most likely to become
a)
a scientific law
b)
a conclusion
c)
a hypothesis
d)
an observation
5.
5. How are science and technology related?
a)
Technology is a branch of natural science.
b)
Science is a branch of technology.
c)
Advances in science may lead to advances in technology and vice versa.
d)
Science and technology are not related.
6.
6. Which of the following is NOT a branch of natural science?
a)
Life Science
b)
Earth and Space Science
c)
Physical Science
d)
Social Science
7.

What step of the scientific method is information obtained through the senses?

a)

drawing conclusions

b)

making observations

c)

analyzing data

d)

revising a hypothesis

8.

CHECK the TWO areas that are studied in PHYSICAL SCIENCE..

a)

Matter

b)

Life

c)

Space

d)

Energy

9.

What type of graph should be used to show that data has changed?

a)

LINE

b)

BAR

c)

PIE OR CIRCLE

10.

What type of graph shows a whole quantity broken down into percentages?

a)

LINE

b)

BAR

c)

PIE OR CIRCLE

11.

What type of graph is used to compare data?

a)

LINE

b)

BAR

c)

PIE OR CIRCLE

12.

Which variable goes on the horizontal or X- axis?

a)

DEPENDENT

b)

INDEPENDENT

13.

Which variable goes on the vertical or Y- axis?

a)

DEPENDENT

b)

INDEPENDENT

14.

What is the rule for making a title for a graph? WHAT FORMAT?

a)

INDEPENDENT VARIABLE VS. DEPENDENT VARIABLE

b)

DEPENDENT VARIABLE VS. INDEPENDENT VARIABLE

15.

Speed is the ratio of the distance an object moves to

a)

the direction the object moves.

b)

the displacement of the object.

c)

the motion of the object.

d)

the amount of time needed to travel the distance

16.

The SLOPE of a line on a DISTANCE-TIME graph is

a)

distance.

b)

time.

c)

speed.

d)

displacement.

17.

A HORIZONTAL line on a DISTANCE-TIME graph means the object is

a)

moving at a constant speed.

b)

moving faster.

c)

slowing down.

d)

not moving.

18.

What is the average speed of a bobsled whose distance-time graph indicates that it traveled 100 m in 25 s? v=d/t

a)

4 m/s

b)

2500 m/s

c)

0.25 mph

d)

100 m/s

19.
9. The rate at which velocity changes is called
a)
speed
b)
vectors
c)
motion
d)
acceleration
20.

Which example identifies a change in motion that produces acceleration?

a)

a speed skater moving at a constant speed on a straight track

b)

a ball moving at a constant speed around a circular track

c)

a particle moving in space at constant velocity

d)

a vehicle moving down the street at a steady speed

21.
11. Suppose you increase your walking speed from 1 m/s to 3 m/s in a period of 1 s. What is your acceleration? a = (Vf - Vi) / t
a)
2 m/s/s
b)
3 m/s/s
c)
4 m/s/s
d)
5 m/s/s
22.
12. An object moving at 30 m/s takes 5 s to come to a stop. What is the object’s acceleration? a = (Vf - Vi) / t
a)
30 m/s/s
b)
-30m/s/s
c)
6 m/s/s
d)
-6 m/s/s
23.
13. The slope of a speed-time graph indicates
a)
direction
b)
distance
c)
velocity
d)
acceleration
24.
14. An object that has under gone an acceleration could have
a)
Slowed down
b)
gained speed
c)
changed direction
d)
any of the above
25.
15. A train approaching a crossing changes speed from 25 m/s to 10 m/s in 240 s. How can the train’s acceleration be described?
a)
The train’s acceleration is positive.
b)
The train is not accelerating.
c)
The train will come to rest in 6 minutes.
d)
The train’s acceleration is negative.
26.
16. Speed is measured in units of
a)
m/s
b)
km/h
c)
mph
d)
all of the following
27.
17. A car’s speedometer measures
a)
Average speed
b)
Constant speed
c)
Instantaneous speed
28.
18. The difference between speed and velocity is that velocity indicates the ____________________ of motion and speed does not.
a)
distance
b)
time
c)
direction
29.
19. A distance-time graph indicates an object moves 20 km in 4 hours. The average speed of the object is ____________________ km/h. v=d/t
a)
80
b)
0.2
c)
5
d)
50
30.
20. Is the Car
a)
increasing speed
b)
Slowing down
c)
staying at a constant speed
d)
stopped
31.
21. Is the Car
a)
Increasing Speed
b)
Slowing down
c)
staying at a constant speed
d)
stopped
32.
22. Is the Car
a)
Increasing Speed
b)
Slowing down
c)
staying at a constant speed
d)
stopped
33.
23. Is the car
a)
Increasing Speed
b)
slowing down
c)
staying at a constant speed
d)
stopped
34.
24. Is the Car
a)
Increasing Speed
b)
Slowing Down
c)
staying at a constant speed
d)
stopped
35.
25. Is the car
a)
Increasing Speed
b)
Slowing Down
c)
Staying at a constant speed
d)
stopped
36.
1. Which statement accurately describes the interaction between the foot and sidewalk as a person moves forward along the sidewalk in the direction of the arrow?
a)
The foot pushes forward on the sidewalk; the sidewalk does not push forward on the foot.
b)
The foot pushes forward on the sidewalk; the sidewalk pushes forward on the foot.
c)
The foot pushes backward on the sidewalk; the sidewalk pushes forward on the foot.
d)
The foot pushes backward on the sidewalk; the sidewalk pushes backward on the foot.
37.
2. A driver is headed north at 50 km/hr. A box is sitting on the seat next to him. What action by the driver would most likely cause him to observe the box appear to slide to the west?
a)
applying the brakes.
b)
speeding up to 60 km/hr.
c)
making a turn to the east.
d)
making a turn to the west.
38.
3. A constant force is applied to an empty shopping cart and a full shopping cart. Which will experience greater acceleration?
a)
the empty shopping cart
b)
the full shopping cart
c)
they will have the same acceleration
d)
there will be no acceleration
39.
4. What is the unit used to measure Force?
a)
Kilograms
b)
m/s/s
c)
Newtons
d)
Joules
40.
5. True or False. A force is a push or pull on object exerts on another object.
a)
True
b)
False
41.
6. Which of Newton's Laws of Motion deals with Action-Reaction forces?
a)
1st
b)
2nd
c)
3rd
d)
Option 2
42.
7. Which of Newton's Laws of Motion is also known as the Law of Inertia?
a)
1st
b)
2nd
c)
3rd
43.
8. Which of Newton's Laws of Motion uses the Force Equation?
a)
1st
b)
2nd
c)
3rd
44.
9. What is the unit used to measure mass?
a)
Kilograms
b)
m/s/s
c)
Newtons
45.
10. Forces that are equal in size but opposite in direction are called ______________ forces.
a)
Net
b)
Unbalanced
c)
Balanced
d)
Jedi
46.
11. What is the force the opposes the motion of a falling object?
a)
Air Resistance
b)
Gravity
c)
Electromagnetic
d)
Nuclear
47.
12. This is achieved when the force of gravity and air resistance are balanced in a falling object.
a)
Net Force
b)
Joules
c)
Electromagnetic Force
d)
Terminal Velocity
48.
13. Which of the following is a force?
a)
Inertia
b)
Acceleration
c)
Friction
d)
Veloctiy
49.
14. Which force acts only between surfaces that are in contact.
a)
Gravity
b)
Inertia
c)
Electromagnetic
d)
Friction
50.
15. Fill in the blank. An object of large mass has______________________than an object of small mass.
a)
less inertia
b)
more inertia
c)
less weight
d)
more acceleration
51.
16. Which of the following would have the greatest inertia?
a)
Pencil
b)
Feather
c)
Piece of Paper
d)
Bowling Ball
52.
17. A net force acting on a moving object will cause the object to
a)
curve
b)
accelerate
c)
stop
d)
fall
53.
18. Which of the following opposes acceleration due to gravity?
a)
Momentum
b)
Reaction Force
c)
Terminal Velocity
d)
Air Resistance
54.
19.According to Newton's second law of motion,, __________________equals mass times acceleration.
a)
Force
b)
Inertia
c)
Momentum
d)
Speed
55.
20. What force causes a leaf to fall more slowly than a penny?
a)
Gravity
b)
Inertia
c)
Air resistance
d)
Momentum
56.
21. Which best illustrates Newton's third law of motion?
a)
Projectiles
b)
Pendulums
c)
Centripetal Force
d)
Rockets
57.
22. Which of the following does NOT affect the amount of air resistance that acts on an object?
a)
Size
b)
Shape
c)
Speed
d)
Mass

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