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Extra Mile #4

Total questions: 111

Worksheet time: 2hrs 14mins

Name
Class
Date
1.

6.8C- Which two measurements are needed to determine the speed of an object?

a)

Position and time

b)

Distance and time

c)

Position and direction

d)

Distance and direction

2.

6.8D- During a science experiment, a student dropped a metal ball from a height of 150 m. The graph shows the distance the metal ball traveled from its initial position to where it hit the ground.


What information does the graph give you about the speed of the metal ball over time?

a)

The ball travels at a constant speed.

b)

The speed of the ball increases over time.

c)

The speed of the ball decreases over time.

d)

e speed of the ball increases at first, and then decreases as time increases.

3.

6.8C- An airplane leaves New York to fly to Boston. It travels 1,000 km in 2 hours. What is the average speed of the airplane?

a)

500 km

b)

1000 hours

c)

500 km/hour

d)

5000 hours/km

4.

6.8A- A ball is sitting at the top of a ramp. As the ball rolls down the ramp, the potential energy of the ball decreases. What happens to the potential energy as the ball moves?

a)

It is lost as gravitational energy.

b)

It is destroyed as the ball moves.

c)

It is converted to kinetic energy

d)

It is used to make the ball slow down.

5.

Which picture of the rock has the LEAST amount potential energy and the GREATEST amount of kinetic energy? Read the answers carefully!

a)

Rock A

b)

Rock B

c)

Rock D

d)

Rock E

6.

6.8D- During a science experiment, a student dropped a metal ball from a height of 150 m. The graph shows the distance the metal ball traveled from its initial position to where it hit the ground.


What information does the graph give you about the speed of the metal ball over time?

a)

The ball travels at a constant speed.

b)

The speed of the ball increases over time.

c)

The speed of the ball decreases over time.

d)

e speed of the ball increases at first, and then decreases as time increases.

7.

6.8C- Which two measurements are needed to determine the speed of an object?

a)

Position and time

b)

Distance and time

c)

Position and direction

d)

Distance and direction

8.

6.8C- An airplane leaves New York to fly to Boston. It travels 1,000 km in 2 hours. What is the average speed of the airplane?

a)

500 km

b)

1000 hours

c)

500 km/hour

d)

5000 hours/km

9.

6.8A- At what point is Mary about to transfer

Potential Energy to Kinetic Energy?

a)

Position A

b)

Position B

c)

They are both the same at all places

d)

Mary never has potential energy

10.

6.8A- Kinetic Energy is the energy of:

a)

Potential

b)

Motion

c)

Storing Energy

d)

Fuel

11.

Light-years is a unit of distance to measure distance in space. The Star Trek Voyager is travelling 30 light years in 3 seconds. What is its speed? SPEED=Distance/Time

a)

10 light years/second

b)

9.5 light years

c)

7 light years

12.

6.8B- A box and forces are shown below. A box rests motionless on the ground. One student is pushing the box to the right with a force of 2 Newtons. The other student is pushing to the left with a force of 5 Newtons. In which direction and with what type of speed will the box move?

a)

It will move left

b)

It will move to the right

c)

It will float in the air

d)

It will not move

13.

6.8B- An image of a toy rocket and forces are shown below. Assuming the only two forces on the toy rocket are lift and gravity, which of the following combinations would result in the rocket moving upward?

a)

Lift= 5 Newtons / Gravity = 5 Newtons

b)

Lift = 3 Newtons / Gravity = 4 Newtons

c)

Lift = 5 Newtons / Gravity = 4 Newtons

d)

Lift = 4 Newtons / Gravity = 4 Newtons

14.

6.8E- The diagram shows an investigation in a science classroom.


Students pulled the same mass up an inclined plane propped up on five blocks, then six, seven, and eight blocks. Each time, they use a spring scale to measure the forces needed to pull the mass up the inclined plane. This investigation can show how which of the following affects the force needed to move an object up an inclined plane?

a)

The mass of the object

b)

The height of the inclined plane

c)

The length of the inclined plane

d)

The surface area of the object

15.

If a car is moving on a highway at 70 kilometers per hour, going south, and then turns to travel 70 kilometers per hour, going east, what happens to its speed and velocity?

a)

Speed - changing, Velocity - constant

b)

Speed - constant, Velocity - changing

c)

Speed - constant, Velocity - constant

d)

Speed - changing, Velocity - changing

16.

Which measurements are necessary for determining both the speed and velocity of a moving object?

a)

Distance, time, and direction

b)

Direction, displacement, and distance

c)

Distance, direction, and acceleration

d)

Direction, time, and acceleration

17.

If a car is moving on a highway at 70 kilometers per hour, going south, and then turns to travel 70 kilometers per hour, going east, what happens to its speed and velocity?

a)

Speed - changing, Velocity - constant

b)

Speed - constant, Velocity - changing

c)

Speed - constant, Velocity - constant

d)

Speed - changing, Velocity - changing

18.

To make an object move you must first apply ---

a)

an opposing force

b)

an unbalanced force

c)

a stationary force

d)

a vertical force

19.

What would you be measuring if you had the object's speed and direction

a)

momentum

b)

velocity

c)

force

d)

weight

20.

What factor will slow down an object moving through space?

a)

air resistance

b)

friction

c)

another object

d)

gravity

21.

What is the change in velocity divided by time?

a)

momentum

b)

force

c)

speed

d)

acceleration

22.

The force of gravity is dependent on an object's ________.

a)

mass

b)

volume

c)

temperature

d)

speed

23.

Newton's second law states that greater the mass the more _________ will be needed to move the object.

a)

power

b)

force

c)

distance

d)

speed

24.

force equals mass times .......

a)

speed

b)

acceleration

c)

velocity

d)

momentum

25.

The force of gravity is dependent on an object's ________.

a)

mass

b)

volume

c)

temperature

d)

speed

26.

What is the change in velocity divided by time?

a)

momentum

b)

force

c)

speed

d)

acceleration

27.

What factor will slow down an object moving through space?

a)

air resistance

b)

friction

c)

another object

d)

gravity

28.

What would you be measuring if you had the object's speed and direction

a)

momentum

b)

velocity

c)

force

d)

weight

29.

If a speed boat is traveling at a constant rate and hits a large wave, how would the boat respond?

a)

It would keep going straight

b)

it would go backward a bit

c)

It would go forward a bit

d)

It would stop

30.

If I threw a rock in space what force would be acting against it?

a)

gravity

b)

friction

c)

electromagnetism

d)

nothing

31.
What is the unit to MEASURE force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
32.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
33.
Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?
a)
car
b)
bike
c)
they are equal
d)
cannot determine using the info provided
34.
65mi/hr South is an example of...
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
35.

To make an object move you must first apply ---

a)

an opposing force

b)

an unbalanced force

c)

a stationary force

d)

a vertical force

36.

2. By changing the surface over which the car rolls from sandpaper to wax paper, you might be able to test the effect of what force?

a)

A. Magnetism

b)

B. Wind

c)

C. Wind

d)

D. Friction

37.

5. An experiment is conducted to measure the amount of force required to push a square cardboard box from one side of the room to the other side. What variable is likely to lessen the force required?

a)

A. Adding several heavy weights to the box

b)

B. Tipping the box onto its side

c)

C. Adding another box on top

d)

D. Placing the box onto a wheeled cart

38.

6. Some students were investigating if the height that a ball was dropped would affect its bounce. The ball was dropped at 60 cm and at 80 cm. What statement is true of the results for each of the heights that the balls were dropped?

a)

F. There was no difference in the results.

b)

G. The ball dropped from 60 cm bounced 20 cm higher than

the ball dropped from 80 cm.

c)

H. The ball dropped from 80 cm bounced higher than the ball dropped from 60 cm.

d)

J. The ball dropped from 60 cm bounced higher than the ball dropped from 80 cm.

39.

7. A ball is sitting loose in the moving wagon pictured below. If the wagon stops suddenly, the ball will

a)

A. stop immediately with the wagon

b)

B. roll forward in the wagon and fall off

c)

C. both the wagon and the ball will crash

d)

D. stay exactly where it is

40.
When a bird flies, its wings push air downward. As a result the air pushes back upward on the bird. Which law of motion most applies to the way the wings of a bird beat? 
a)
Every action has an equal and opposite reaction
b)
The rate of acceleration of an object depends on the amount of force applied.
c)
Objects in motion tend to remain in motion until acted upon by an another force. 
d)
Force is defined by mass times acceleration
41.
Two girls are pulling on opposite ends of a thick rope. Both girls pull on the rope with the same force but in opposite directions. If both girls continue to pull with the same force, what will most likely happen? 
a)
One girl will pull the other toward her.
b)
Both girls will stay in the same place. 
c)
Gravity will cause the rope to sag. 
d)
The rope will break.
42.
A student walking quickly while carrying an orange on his lunch tray stops suddenly. The orange will most likely roll off the tray due to
a)
inertia of the orange. 
b)
centripetal force of the orange
c)
the friction acting on the orange.
d)
the balanced forces acting on the orange.
43.
Angela blows air into a balloon and holds the end of it closed with her fingers. When she lets go of the end of the balloon, Angela observes that the release of the air propels the balloon.  The propelling of the balloon from the release of the air is an example of which of Newton’s laws? 
a)
The force of an object is the product of its mass multiplied by its acceleration. 
b)
 A force of attraction exists between any two objects with mass. 
c)
 For every action, there is an equal and opposite reaction.
d)
An object in motion tends to stay in motion unless an unbalanced force acts upon it. 
44.
A student reads his paper on friction to the class. Which statement should he include in his paper if he wants to present accurate information? 
a)
Friction increases mechanical advantage
b)
Friction opposes the direction of movement. 
c)
Friction makes movement of an object easier.
d)
Friction reduces the amount of work used to move an object. 
45.
Kilometers per hour (kph) is a unit that describes which of the following?
a)
velocity
b)
direction
c)
position
d)
speed
46.
What is speed?
a)
Speed is how far something travels in one hour.
b)
Speed is how fast it takes something to travel a set distance
c)
Speed is the distance something travels in a set amount of time.
d)
Speed is the change in velocity of something.
47.
When an object's distance from another object is changing, the object is .... 
a)
under pressure.
b)
 in motion
c)
not moving.
d)
changing reference point.
48.
An airplane travels at 50 meters in 2 seconds. What is its average speed? 
a)
25 miles per hour
b)
100 miles per hour
c)
25 meters per second
d)
100 meters per second
49.
Which of the following is an example of acceleration?
a)
A book laying on a table
b)
An airplane moving at a constant speed of 500 mph in a straight line
c)
A race car going into a curve
d)
An object at rest
50.
 If an unbalanced force acts on a stationary object, the object will:.
a)
remain stationary
b)
move away from the force
c)
accelerate in the direction of the force
d)
accelerate in the opposite direction of the force
51.

The energy associated with motion is called

a)

kinetic energy

b)

potential energy

c)

sound energy

d)

nuclear energy

52.

Thermal Energy is

a)

the energy of motion

b)

energy of nuclear processes

c)

an indication of a physical change

d)

heat energy

53.

At higher temperature

a)

Particles in an object have less kinetic energy

b)

particles in an object move faster

c)

a gas contracts

d)

particles in an object move slower

54.

Hot objects begin to cool as

a)

cooler air is transferred to the hot object

b)

atoms in the object react with the oxygen in the air

c)

thermal energy in the object is transferred to the surrounding air

d)

thermal energy in the object cancels out the energy in the air

55.

Which of the following is TRUE when particles GAIN thermal energy?

a)

particles move more slowly

b)

particles stop moving

c)

particles move further apart

d)

particles move closer together

56.

What happens to particle movement/speed when energy is removed?

a)

particles slow down

b)

particles go faster

c)

particles don't move

d)

particles stay the same speed

57.

The temperature of a substance increases as

a)

the substance expands

b)

the substance's volume increases

c)

the substance's mass increases

d)

the average kinetic energy of its particles increaes

58.

Potential energy depends on the _______ and _________ of an object.

a)

Height and friction

b)

position and composition

c)

Height and mass

d)

Mass and friction

59.

Unlike Kinetic energy, Potential energy is __________.

a)

distributed

b)

stored

c)

destroyed

d)

created

60.

When you are stretching a rubber band, you are storing __________ energy.

a)

Kinetic

b)

Potential

c)

Gravitational

d)

Spring

61.

The Law of Conservation of Energy states that ...

a)

Energy can be created but not destroyed

b)

Energy cannot be created or destroyed but can be transferred or transformed.

c)

Energy cannot be created but can be destroyed.

62.

Energy and work are measured in _________.

a)

Newtons

b)

Joules

c)

m/s

d)

Meters

63.

What happens when a ball is dropped?

a)

PE decreases and KE decreases

b)

PE increases and KE decreases

c)

PE decreases and KE increases

d)

PE increases and KE increases

64.

Roller coasters slow down when going up because . . .

a)

Someone stops it

b)

Kinetic energy gets converted to Potential energy as you are gaining more height.

c)

Kinetic energy increases because more height at the top.

d)

Velocity is increasing thus roller coaster slows down

65.

What are the two type of mechanical energy?

a)

Kinetic & Potential

b)

Potential & Thermal

c)

Kinetic & Electrical

d)

Electrical & Thermal

66.

Energy released when atoms split or join together is called

a)

Gravitational

b)

Nuclear

c)

Elastic

d)

Chemical

67.

Energy stored in the bonds of chemical compounds that is released during certain reactions is called...

a)

Sound

b)

Elastic

c)

Radiant

d)

Chemical

68.

Energy stored in an object when it is compressed or stretched like in a spring or rubber band is called...

a)

Sound

b)

Elastic

c)

Radiant

d)

Chemical

69.
Gas molecules can easily be compressed  because ___________. 
a)
gas molecules are soft
b)
gas molecules are far apart
c)
gas molecules follow the shape of the container
70.
In which state of matter are the particles moving the least random
a)
Gas
b)
Liquid
c)
Solid
d)
Plasma
71.
Ball sitting on shelf
a)
potential
b)
kinetic
72.
girl running down hill
a)
kinetic
b)
potential
73.
dog swimming in creek
a)
potential
b)
kinetic
74.
stick laying on ground
a)
kinetic
b)
potential
75.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill 
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall 
d)
d. a piece of coal before it's burned 
76.

Where would this tossed baseball have the greatest amount of kinetic energy?

a)

point X

b)

point z

77.
What kind of energy is in a stretched rubber band?
a)
Potential
b)
Kinetic
78.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)

5

c)
3
d)
4
79.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
80.

Batteries laying on the table

a)

potential

b)

kinetic

81.

At which point is potential energy greatest?

a)

W

b)

X

c)

Y

d)

Z

82.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
83.

Assuming the object is moving from left to right, at which point does it have the most potential energy?

a)

E

b)

F

c)

B

d)

A

84.
What energy is pulling an arrow back 
a)
kinetic energy
b)
potential energy
85.
A rubber band has been pulled backward but hasn’t been let go yet.
a)
Potential
b)
Kinetic
86.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
87.

Assuming the object is moving from left to right, at which point does it have the most kinetic energy?

a)

D (always at the bottom)

b)

A (always at the top)

88.

Assuming the object is moving from left to right, at which point does it have the most potential energy?

a)

D (always at the bottom)

b)

A (always at the top)

89.

At which point is kinetic energy greatest?

a)

W

b)

X

c)

Y

d)

Z

90.

What can causes a moving object to have more kinetic energy? Select 2 answers. Think about what would hurt more (more energy) to get hit by....

a)

Fast moving

b)

Slow moving

c)

Heavy object

d)

Light object

91.

Problem

A student walks 3 km in 20 minutes. What is the student’s average speed in km/h

a)

12

b)

9

c)

7

d)

6

92.

Problem

A car travels 10 km in 15 minutes. What is the average speed of the car?

a)

25 km/h

b)

20 km/h

c)

40 km/h

d)

45 km/h

93.
a)
b)
c)
d)
94.

Problem

A dog runs 6 km in 30 minutes. What is the dog’s average speed in km/h?

a)

25

b)

180

c)

12

d)

5

95.

a)

Carleton walked for a while, stopped to sit on a bench in the park, and then ran the rest of the way home.

b)

Carleton ran all the way from school to home going the same constant speed and never stopping.

c)

Carleton waited around after school for his friend, and then they ran home together.

d)

Carleton ran for a long time, then slowed down to walk the rest of his trip. Once he got home, he sat down on the couch.

96.

a)

Jessica ran all the way from school to home going the same constant speed and never stopping.

b)

Jessica waited around after school for her friend, and then they ran home together.

c)

Jessica ran for a long time, then slowed down to walk the rest of her trip. Once she got home, she sat down on the couch.

d)

Jessica walked for a while, stopped to sit on a bench in the park, and then ran the rest of the way home.

97.

Problem

Which of the following best describes the speed of an object?

a)

14 m/s2

b)

14 m/s south

c)

14 m/s

d)

14 m south

98.
a)

0.8 m/s

b)

0.08 m/s

c)

1.25 m/s

d)

0.125 m/s

99.
a)

Sam ran for a long time, then slowed down to walk the rest of his trip. Once he got home, he sat down on the couch.

b)

Sam waited around after school for his friend, and then they ran home together.

c)

Sam walked for a while, stopped to sit on a bench in the park, and then ran the rest of the way home.

d)

Sam ran all the way from school to home going the same constant speed and never stopping.

100.
Which of the following can you use to calculate an object's speed?
a)
distance/time
b)
time/force
c)
change in velocity/time
d)
direction/time
101.
An object moves a distance of 30 meters in 10 seconds. What is its speed?
a)
1/3 m/s
b)
3 m/s
c)
3 s/m
d)
300 m/s
102.
After how much time did the train make its first stop?
a)
0 hours
b)
4 hours
c)
6 hours
d)
12 hours
103.
What was the speed of the train between 0 and 4 hours?
a)
1 km/h
b)
10 km/h
c)
100 km/h
d)
100 h/km
104.

7. How fast are you going if you walk 24 km in 3 hours?

a)

72 km/h

b)

36 km/h

c)

27 km/h

d)

8 km/h

105.

#4 Show all your work on your answer document.

a)

4.5 m/s

b)

0.22 m/s

c)

175 m/s

d)

11250 m/s

106.

#10 Show all your work on your answer document. (Average speed = total distance / total time)

a)

6.25 km/min

b)

21 m/s

c)

0.16 km/min

d)

100 m/s

107.

#9 Show all your work on your answer document. (Average speed = total distance / total time)

a)

1.6 km/min

b)

1.6 m/s

c)

0.625 km/min

d)

0.625 m/s

108.

#2 Show all your work on your answer document.

a)

400 m/min

b)

0.0025 m/min

c)

3600 mi/hr

d)

40 m/s

109.

Ms. H rides her unicorn to the mall. The mall is 2400 meters from her home and it takes her 12 minutes to get to the mall. What is Ms. H's average speed in meters per minute?

a)

200 m/m

b)

150 m/m

c)

220 m/m

d)

250 m/m

110.

How fast is uncle Billy running if it takes him 30 minutes to travel 240 meters?

a)

10 m/m

b)

6 m/m

c)

8 m/m

d)

5 m/m

111.

What is the speed of a rocket that travels 9000 meters in 12.12 seconds?

a)

725 m/s

b)

7,425 m/s

c)

742.5 m/s

d)

680 m/s

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