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Physical Science 1st Semester Mid-Term Review

Total questions: 72

Worksheet time: 2hrs 18mins

Name
Class
Date
1.

The base measurement for mass is...

a)

kilogram

b)

liters

c)

grams

d)

meters

2.
240 cm = ___________ m
a)
2400
b)
24
c)
2.4
d)
0.24
3.
1000 m = ___________ km
a)
100
b)
10
c)
1
d)
0.1
4.
15.6 L = ___________ mL
a)
15,600
b)
156,000
c)
1,560,000
d)
15,600,000
5.
0.57 mL = ___________ L
a)
5.7
b)
0.057
c)
0.0057
d)
0.00057
6.

What is the basic unit of mass in the metric system?

a)

Liter

b)

Meter

c)

Gram

d)

Kilometer

7.
Which unit is the smallest?  
a)
km
b)
mm
c)
m
d)
cm 
8.

Select the largest unit.

a)

kilogram

b)

centigram

c)

decigram

d)

decagram

9.

Which unit is NOT used in the metric system?

a)

Meter

b)

Gram

c)

Liter

d)

Pound

10.

What is this tool to get mass?

a)

triple beam balance

b)

thermometer

c)

ruler

d)

graduate cylinder

11.
If an eraser is 25 millimeters long, how many centimeters long is it?
a)
2
b)
2.5
c)
25
d)
250
12.

speed of an object in a particular direction

a)

motion

b)

velocity

c)

speed

d)

acceleration

13.

total distance traveled divided by total time taken to travel that distance

a)

velocity

b)

motion

c)

acceleration

d)

average speed

14.

The formula for calculating speed is...(x means multiply; / means divide)

a)

time x distance

b)

distance x speed

c)

distance / time

d)

time / distance

15.

Objects with greater _________ also have greater inertia.

a)

speed

b)

mass

c)

force

d)

friction

16.
a force that opposes motion between any surfaces that are touching
a)
velocity
b)
friction
c)
inertia
d)
position
17.

Inertia refers to ___________

(select all the apply)

a)

the tendency of moving objects to remain in motion

b)

the force which keeps moving objects in motion with a constant velocity

c)

the force that keeps stationary objects at rest

d)

the tendency of stationary objects to remain at rest

18.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
19.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
20.
1. Which of the following statements about speed and velocity is correct?
a)
Velocity only describes an object’s rate of motion.
b)
Speed describes how an object is changing its velocity.
c)
Speed and velocity both describe how an object is speeding up.
d)
Only velocity includes the direction an object is traveling.
21.

Acceleration can be... (select all that apply)

a)

speeding up

b)

slowing down

c)

staying at constant speed

d)

changing directions

22.

Select the equation for acceleration.

a)
b)
c)
d)
23.

A horse accelerates from a velocity of 0m/s to 20 m/s in 3 seconds. What is the acceleration of the horse?

a)

60 m/s2

b)

6.67 m/s2

c)

0.15 m/s2

d)

30 m/s2

24.

A train decelerates from a velocity of 90 m/s to 80m/s in over 10 seconds. What is the train's acceleration?

a)

-1 m/s2

b)

1 m/s2

c)

10 m/s2

d)

-10 m/s2

25.
A car traveling 300 miles in 5 hours is an example of _____. 
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
26.

Colin skateboards down the sidewalk in front of the school, traveling at 24 km/h. How much time would it take him to travel 6.0 km?

a)

0.25 h

b)

0.4 h

c)

5.4 h

d)

12 h

27.

Sharis decides to be brave and go skydiving. If she accelerates at 9.81 m/s2 (m/s2 = m/s/s) for 4.9 s, what would her speed be at that time?

a)

48.1 m/s

b)

0.6 m/s

c)

0.0015 m/s

d)

7.1 m/s

28.

If 1 ft = 30.48cm, how many centimetres are there is 9.2ft?

a)

2.8041cm

b)

2.8041m

c)

280.416cm

d)

280.416m

29.
If it takes Heather 3 seconds to run from the batter's box to first base at an average speed of 6.5 meters per second, what is the distance she covers in that time?
a)
19.5 m
b)
0.46 m
c)
2.2 m
d)
3.5 m
30.

A train travels at 52 km/h. How far does it travel in

15 min?

a)

780 m

b)

780 km

c)

13 m

d)

13 km

31.

It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes

a)

Newton's first law, the law of inertia

b)

Newton's second law, the law of acceleration

c)

Newton's third law, the law of action reaction

d)

The law of universal gravitation

32.

What is Newton's 1st law?

a)

Law of Force and Acceleration

b)

Law of Inertia

c)

Law of Action-Reaction

d)

Law of motion

33.

Newtons 3rd Law of Motion states:

a)

An object at rest will remain at rest unless acted upon by an outside force.

b)

For every action, there is an equal and opposite reaction

c)

The greater the mass of an object, the more force it will take to accelerate the object

34.

A fireman turns on his hose and is knocked backwards is an example of...

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4rth Law

35.

Which law would we think of when we see the flames of a rocket shooting down so the rocket can go up?

a)

1st

b)

2nd

c)

3rd

36.

Which law can be simply described with the equation:

F = MxA

a)

1st

b)

2nd

c)

3rd

37.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
38.

This person bought coffee and put it on the seat next to them. When they stopped quickly and the coffee spilled which law would that be?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

39.
A push or pull exerted on an object
a)
Force
b)
Net force
c)
Momentum
d)
Speed
40.
Are forces balanced or unbalanced when a car is moving at a constant speed in a straight line?
a)
Balanced
b)
Unbalanced
41.
The sum of all forces acting on an object and direction
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
42.
Ted is trying to move a fridge through his house, he gets stuck on a carpet and even though he is pushing the fridge, it is not moving. What force is acting against him?
a)
gravity
b)
friction
c)
air
d)
mass
43.
Are forces balanced or unbalanced when a marble speeds up rolling down a ramp?
a)
Balanced
b)
Unbalanced
44.
Name the missing force...
a)
weight force
b)
normal force
c)
applied force
d)
frictional force
45.

A downward-moving skydiver who has just opened the parachute is slowing down.

a)
b)
c)
d)
46.
Name the missing force...
a)
tension force
b)
gravitational force
c)
normal force
d)
applied force
47.

A leftward force is applied to a crate to push it across the floor at a constant speed. Which is the correct force diagram?

a)
b)
c)
d)
48.

A hockey puck glides to the right across the ice at a constant speed.

a)
b)
c)
d)
49.
Name the missing force...
a)
frictional force
b)
weight force
c)
thrust
d)
buoyant force
50.

The force that keeps objects on top of surfaces instead of letting them sink into the surface is known as:

a)

normal

b)

abnormal

c)

static

d)

inertia

51.
A Newton is a unit of...
a)
force
b)
inertia
c)
acceleration
d)
velocity
52.

In a force diagram the size/length of the arrow tells you this about the force:

a)

the strength of the force

b)

the distance of the force

c)

the direction of the force

53.

A rightward force is applied to a dresser to accelerate it to the right across the bedroom floor.

a)
b)
c)
d)
54.
Is this a balanced or unbalance force?
a)
Balanced
b)
Unbalanced
c)
Neither one
d)
Both
55.

What is the net force?

a)

40 N left

b)

0 N Balanced

c)

400 N right

d)

40 N right

56.

Which way is the object moving?

a)

it's either not moving or moving at a constant speed due to balanced forces

b)

to the right

c)

to the bottom

d)

up

57.

When determining the NET force on an object you should (TWO correct answers):

a)

subtract forces in opposite directions

b)

add forces in the same direction

c)

subtract forces in the same direction

d)

add forces in the opposite direction

e)

multiply the forces in the same direction

58.

What is the NET FORCE of this diagram?

a)

17 N, right

b)

17 N, left

c)

23 N, right

d)

12 N, up

59.
If a force causes an object to move, it's considered a(n) __________________ force.
a)
Balanced
b)
Unbalanced
c)
Massive
d)
Strong
60.

the force that pulls objects toward each other

a)

gravity

b)

free fall

c)

weight

d)

Universal Law of Gravitation

61.

If a student pushes with 500 N of force on a cart against a wall. The cart doesn't move. Why?

a)

The wall is sturdy

b)

The wall pushed back with a force of 500 N

c)

The wall pushed back with a force of 650 N

d)

The wall pushed back with a force of 350 N

62.
What is air resistance?
a)
The support force exerted upon an object that is in contact with another stable object.
b)
The force exerted by a rope, chain, or cable.
c)
A force that is applied to an object by a person or another object.
d)
The friction force air exerts against a moving object.
63.
A change in velocity over time is called ___________.
a)
speed
b)
force
c)
acceleration
d)
direction
64.
Newton's second law of motion describes acceleration as force divided by __________.
a)
mass
b)
inertia
c)
speed
d)
direction
65.
According to __________, the acceleration of an object is equal to the net force acting on the object divided by the object's mass. 
a)
Newton's Second Law
b)
Newton's Third Law
c)
Newton's First Law
66.

Football A has a greater mass than football B. Which football will have greater acceleration when both are thrown with the same force in the same direction?

a)

Football A

b)

Football B

c)

They will have the same acceleration

d)

Mass has no effect on acceleration

67.
How much force is needed to accelerate a 2 kg physics book to an acceleration of 6 m/s/s?
a)
36 N
b)
12 N
c)
3 N
d)
0.33 N
68.

When force is 20 N, mass is 5 kg, what is acceleration?

a)

25 m/s/s

b)

5 m/s/s

c)

100 m/s/s

d)

4 m/s/s

69.
What is the acceleration of an object traveling at a constant velocity?
a)
10 m/s2
b)
0 m/s2
c)
250 m/s2
d)
20 m/s2
70.

What Unit do we Measure Force in?

a)

Newtons

b)

Joules

c)

Volts

d)

Lumens

71.

An object accelerates 5 m/s2 when a force of 20 newtons is applied to it. What is the mass of the object?

a)

4 kg

b)

20 kg

c)

0.5 kg

d)

2 kg

72.

An object accelerates 8 m/s2 when a force of 40 newtons is applied to it. What is the mass of the object?

a)

4 kg

b)

20 kg

c)

5 kg

d)

0.2 kg

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