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Physics test 2

Total questions: 95

Worksheet time: 4hrs 5mins

Name
Class
Date
1.

Match the graph to the description:

"The car is stopped."

a)
b)
c)
d)
2.

Match the graph to the description:

"The car is traveling at a constant speed."

a)
b)
c)
d)
3.

Segment O-A: The bus is _________________. It's speed changes from 0m/s to 10 m/s in 5 seconds.

a)

accelerating

b)

decelerating

c)

constant speed

d)

at rest

4.

Which is faster?

a)

walking

b)

skating

c)

biking

5.

Total distance divided by total time is what?

a)

Constant Speed

b)

Instantaneous speed

c)

Average Speed

6.

Sarah ran 50 meters in 5 seconds. What was her speed?

a)

5 m/s

b)

10 m/s

c)

50 m/s

d)

25 m/s

7.

A snake slithered across the sidewalk in between two sign posts. At the first sign post his speed was 1.2 m/s. At the second sign post his speed was 1.2 m/s. Did the snake change velocity?

a)

Yes

b)

No

8.

speed of an object in a particular direction

a)

motion

b)

velocity

c)

speed

d)

acceleration

9.

Segment E-F: The bus is moving at a _________________ of 5 m/s for 4 seconds.

a)

accelerating

b)

decelerating

c)

constant speed

d)

at rest

10.
How long did it take this object to travel 10 m?
a)
0 s
b)
10 s
c)
15 s
d)
20 s
11.

In which of the following graphs below are both runners moving at the same speed?

a)
b)
c)
d)
12.

Which of the graphs shows that one of runners started in the same place?

a)
b)
c)
d)
13.

Which object will require the Most force to move?

a)

1.5 ounce ping pong ball

b)

5.6 ounce golf ball

c)

10.3 ounce baseball

d)

15.2 ounce lacrosse ball

14.

Be careful!!!!! This is a speed-time graph


What does this line represent?

a)

constant speed

b)

not moving

c)

speed increasing

d)

speed increasing at a constant rate

15.

What is happening at A?

a)

Stationary (At rest)

b)

Negative Acceleration

c)

Slower steady speed; moving away from the starting position

d)

Steady speed; returning to start position

16.

At what time does runner B pass runner A

a)

0 seconds

b)

5 seconds

c)

8.5 seconds

d)

11 seconds

17.

At what time does runner C pass runner B

a)

0 seconds

b)

5 seconds

c)

8.5 seconds

d)

11 seconds

18.

Which runner won the 75 meter race?

a)

A

b)

B

c)

C

19.

At 60 seconds, how far has the object moved?

a)

10 meters

b)

24 meters

c)

36 meters

d)

72 meters

20.

Which runner had a head start?

a)

A

b)

B

c)

C

21.

What two measurements are necessary for calculating speed?

a)

mass and time

b)

temperature and mass

c)

mass and distance

d)

distance and time

22.

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

23.

A car driving at 50 miles per hour drives for 2 hours. What distance did it cover?

a)

50 miles

b)

25 miles

c)

100 miles

d)

75 miles

24.

Carlos skateboards on the sidewalk in front of the school. He travels at a speed of 24 km/hr. How much time would it take him to travel 6 km?

a)

1 hour

b)

12 minutes

c)

15 minutes

d)

25 minutes

25.

Two blocks of equal mass are dragged across different surfaces. Which will experience the greater Friction force?

a)

Box A

b)

Box B

c)

Equal

26.

Two Boxes are pulled along the same surfaces. Box C has more mass than box D. Which box feels the greater force of Gravity?

a)

Box C

b)

Box D

c)

Equal

27.

The object in this force diagram is...

a)

Not moving

b)

moving at a constant velocity

c)

speeding up

d)

Either not moving or moving at a constant velocity

28.

The forces on this object must be ...

a)

balanced

b)

unbalanced

c)

not enough information

29.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
30.
How far will a person go if they jog for 2 hours at a speed of 12 km/hr?
a)
6 km
b)
0.5 km
c)
10 km
d)
24 km
31.
Which graph represents the greatest acceleration?
a)
A
b)
B
c)
C
d)
D
32.
Are the forces acting on the rope balanced or unbalanced?
a)
Balanced
b)
Unbalanced
33.
At A the speed of the ball increases. At B, speed decreases. At C, speed is constant. Which points does the ball experience unbalanced forces?
a)
A and B
b)
B and C
c)
A and C
d)
A, B and C
34.

To find the net force of two objects moving at the same direction you would ____________ their forces.

a)

Multiply

b)

Divide

c)

Add

d)

Subtract

35.

True or False: An object at rest needs a balanced force in order to move.

a)

True

b)

False

36.

True or False: A force is a push or pull on an object.

a)

True

b)

False

37.

The total amount of all the forces on an object is called the _______________.

a)

balance

b)

newton

c)

massive force

d)

net force

38.

Calculate the net force.

a)

2N \leftarrow  

b)

2N \rightarrow  

c)

38N \leftarrow  

d)

38N \rightarrow  

39.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
40.

If the net force is equal to zero, the forces acting on the object are

a)

balanced

b)

unbalanced

41.

This force is responsible for making a pencil fall to the ground when you drop it.

a)

Gravity

b)

Friction

c)

Magnetism

42.

When you slide down a slide, this force makes you slow down and eventually stop.

a)

Gravity

b)

Friciton

c)

Magnetism

43.

Magnets can pick up objects made of iron or steel.

a)

Gravity

b)

Friction

c)

Magnetism

44.

Rubbing your hands together creates this force.

a)

Gravity

b)

Friction

c)

Magnetism

45.

It can slow down a moving object and make it stop.

a)

Gravity

b)

Friction

c)

Magnetism

46.
A man runs at 10 m/min for 5 min, what distance will he run?
a)
10 miles
b)
10 m
c)
5 m
d)
50 m
47.
A boat travels at 22 km/hr for 10 hrs, what distance will it travel?
a)
220 miles
b)
2.2 km
c)
220 km
d)
22 km
48.
Dave runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?
a)
400 minutes
b)
100 minutes
c)
100 seconds 
d)
.25 seconds 
49.
Ms. Cox drives her speed boat 22 km at 45 km/hr. How long will it take her to go the 22 km?
a)
48 hrs 
b)
0.48 hrs
c)
990 hrs
d)
45 min
50.

Using the information in the graph, what is the average speed Josh’s car traveled to get home?

a)

8 km/hour

b)

160 km/hour

c)

16 km/hour

d)

40 km/hour

51.

Calculate the average speed between 0 and 10 hours.

a)

2 km/h

b)

3 km/h

c)

1 km/h

d)

5 km/h

52.

What is the average speed of the Worm's Journey?

a)

2.25 meters/minute

b)

2 meters/minute

c)

1 meter/minute

53.

Calculate the average speed of the object between 1 and 3 seconds.

a)

20 m/s

b)

1 m/s

c)

30 m/s

d)

12 m/s

54.
What is Fe2O3
(rust) made up of?
a)
1 flourine, 2 einsteinium,
3 oxygen
b)
2 fluorine, 3 oxygen
c)
2 iron, 3 oxygen
d)
2 iron, 3 osmium
55.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
56.
How many elements are present in this compound?
Mg2As3COHNi2
a)
2
b)
4
c)
6
d)
10
57.

C2H6 + 5O2  2CO2 + 3H2O2C_2H_6\ +\ 5O_2\ \rightarrow\ 2CO_2\ +\ 3H_2O_2  
Given this chemical equation, what are the REACTANTS?

a)

C2H6 and 5O2C_2H_{6\ }and\ 5O_2  

b)

2CO2 and 3H2O22CO_2\ and\ 3H_2O_2  

58.

Is this equation balanced?

a)

Yes

b)

No

59.

Is this equation balanced?

a)

Yes

b)

No

60.
In chemical reactions, what does the principle of conservation of mass mean?
a)
Matter is not created or destroyed.
b)
The total mass of the reactants is greater than the total mass of the products.
c)
The total mass of the reactants is less than the total mass of the products.
d)
Matter is not changed.
61.

How many molecules of KNO3 are shown?

a)

1

b)

2

c)

3

d)

4

62.
Identify the reactant(s) and product(s) of the reaction.
a)
All three are reactants and none are products.
b)
Hydrogen and water are the reactants, and oxygen is the product.
c)
Water and oxygen are the reactants, and hydrogen is the product.
d)
Hydrogen and oxygen are the reactants, and water is the product.
63.

Action: A swimmer pushes the water backwards

a)

Reaction: The swimmer moves forward

b)

Reaction: The water pushes the swimmer forward

c)

Reaction: The swimmer is tired

d)

Reaction: The water moves backward

64.

Action: Mrs. Scarborough pushes on the wall.

a)

Reaction: The wall pushes Mrs. Scarborough back.

b)

Reaction: The wall moves.

c)

Reaction: A friction force with the ground keeps Mrs. Scarborough in place.

d)

Reaction: The wall absorbs her force.

65.

Action: A baseball player throws a ball.

a)

Reaction: The ball flies through the air.

b)

Reaction: The ball pushes back on the player's hand.

c)

Reaction: The ball falls to the ground.

d)

Reaction: The ball pushes on the air.

66.

What is the action force when a basketball is bounced against the floor?

a)

The ball exerts a force on the floor.

b)

The floor exerts a force on the ball.

c)

The ball moves down.

d)

The ball moves up.

67.

What are the correct action and reaction forces for walking?

a)

Action: The person pushes against the floor. Reaction: The floor pushes the person.

b)

Action: The person moves forwards. Reaction: The person pushes against the floor.

c)

Action: A person applies friction backwards.

Reaction: The friction pushes the person forwards.

d)

Action: A person pushes against the floor. Reaction: The person moves forwards.

68.
How many total atoms are in the compound C2H8O ?
a)
11
b)
2
c)
8
d)
1
69.

C3H5(NO3)3

a)

C = 3, H = 5, N = 3, O = 9

b)

C = 3, H = 5, N = 1, O = 9

c)

C = 9, H = 15, N = 3, O = 9

d)

C = 9, H = 15, N = 1, O = 3

70.

Metals can be drawn into wires

a)

Luster

b)

Flexible

c)

Ductile

d)

Malleable

71.

All metals are shiny when polished or freshly cut

a)

Luster

b)

Flexible

c)

Ductile

d)

Malleable

72.

Metals can be hammered into sheets

a)

Luster

b)

Flexible

c)

Ductile

d)

Malleable

73.

All metals conduct electricity

a)

Malleable

b)

Sonorous

c)

Electrical Conductor

d)

Thermal Conductor

74.

Metals allow energy to flow through them, causing heating

a)

Malleable

b)

Sonorous

c)

Electrical Conductor

d)

Thermal Conductor

75.

A property of certain substances which pull closer or repel other objects.

a)

Alloy

b)

Magnetism

c)

Electrical Conductor

d)

Thermal Conductor

76.
If an object breaks easily, that means it is probably-
a)
malleable
b)
brittle
c)
ductile
77.
If an object is a better conductor of heat and electricity than nonmetals, but not as good of a conductor as metals, then it is a-
a)
semi-conductor
b)
non-conductor
c)
good conductor
78.
Which of the following tables correctly lists the physical properties of metals and nonmetals?
a)
A
b)
B
c)
C
d)
D
79.
Which type of elements touch the zigzag line?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Metals and Metalloids
80.
Some students conducted a laboratory investigation to learn more about the physical properties of different elements. They observed four samples and recorded their observations in the table . Based on these observations, which sample is most likely a nonmetal?
a)
Sample 1
b)
Sample 2
c)
Sample 3
d)
Sample 4
81.
´Elizabeth was examining elements and their physical properties. She described an element is her science journal as having no shine, an insulator, and  very brittle. What would this element be a metal, nonmetal, or metalloid?
a)
metal 
b)
nonmetal 
c)
metalloid
82.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

83.

You push a shopping cart with a force of 40 N. The friction caused by the ground is exerting a force of 6 N. What is the net force?

a)

34 N to the left

b)

46 to the left

c)

34 N to the right

d)

46 N to the right

84.

How much faster was the average speed for student 4 than the average speed for runner 7? Round to tens place.

a)

6-7 m/s

b)

4.3 m/s

c)

4.6 m/s

d)

.3 m/s

85.
If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?
a)
10 m/s^2
b)
.1 m/s^2
c)
100 m/s^2
d)
1 m/s^2
86.
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)
a)
The one with a mass of .78 kg will have the greatest acceleration.
b)
The one with a mass of .52 kg will have the greatest acceleration.
c)
They will both accelerate at the same rate.
87.

What's the difference in the wagons accelerations? Round to the hundredths place for all answers.

a)

.83 m/s2

b)

.84 m/s2

c)

1.67 m/s2

88.

The law of inertia (Newton's first law) applies _____.

a)

to moving objects only

b)

only to objects that are not moving

c)

to both moving and nonmoving objects

89.

Inertia refers to _____

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

90.

Inertia depends on ______

a)

Velocity

b)

Speed

c)

Distance

d)

Mass

91.

List the objects in order from least to greatest inertia.

a)

CDBA

b)

ABCD

c)

BCDA

d)

CBAD

92.

An astronaut kicks a soccer ball in outer space at a location far from significant influences of gravity and air resistance. The soccer ball will _________.

a)

continue in motion with the same speed and direction

b)

eventually stop as its inertia slowly becomes used up

c)

eventually stop since all objects ultimately "lose their steam"

d)

either a, b, or c -- depending on whether the astronaut continues to kick it

93.

Mac and Tosh are arguing in the cafeteria. Mac says that if he flings the jello with a greater speed it will have a greater inertia. Tosh argues that inertia does NOT depend upon speed, but rather upon mass. Who is correct?

a)

Mac

b)

Tosh

c)

Neither

d)

Both

94.

An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by a(n) ____________________.

a)

unbalanced force

b)

inertia

c)

mass

d)

balanced force

95.

Michael Jordan guides a golf ball around the outside rim of the green at the Hole-In-One Putt-Putt Golf Course. When the ball leaves the rim, which path (A, B, or C) will the golf ball follow?

a)

A

b)

B

c)

C