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Semester 2 Exam Review

Total questions: 123

Worksheet time: 1hrs 2mins

Name
Class
Date
1.

Jerry walked from home to school, then from the school to the park. What is his total distance?

a)

2 km

b)

3 km

c)

5 km

d)

8 km

2.

A jogger runs on the track shown in the figure above. What is the jogger's displacement after running a complete lap around the track?

a)

100 m

b)

130 m

c)

160 m

d)

0 m

3.

Which scenario would lead to a displacement of zero? There may be more than one answer!

a)

Allison walks from home 50 meters to the store to buy a 2 liter of Dr. Pepper.

b)

Jeremiah walks from the bus stop 20 meters to the park and then back to the bus stop.

c)

Ricky runs 14 meters East from the school, but realizes he forgot his Chromebook and goes back.

d)

Alaysia skips 10 meters to the end of the sidewalk.

4.

What is the total displacement, in meters, if the person traveled all the way around the rectangle?

a)

3 m

b)

5 m

c)

13 m

d)

0 m

5.

From the figure, what is the displacement?

a)

20 meters

b)

25 meters

c)

15 meters

d)

25 meters NE

6.

Joe rides from point A to B to C. What is the displacement?

a)

7 m

b)

12 m

c)

5 m

d)

2 m

7.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
8.
Which runner won the race?
a)
A
b)
B
c)
C
d)
It was a tie
9.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking 
b)
Running
c)
Standing Still 
d)
Walking Fast
10.
Velocity is both ____ and _____. 
a)
speed , direction 
b)
direction, mass
c)
volume, density 
d)
direction, magnitude 
11.
Which of the following represents a velocity?
a)
40 m
b)
40 m north
c)
40 m/s
d)
40 m/s north
12.

Which statement is true about velocity?

a)

Must have measurement of speed.

b)

Must have a measurement of speed and direction.

c)

Must have only direction.

d)

Has neither a measurement of speed or direction.

13.

When a car goes around a corner at 20 mph, why do we say it accelerates?

a)

The car is accelerating because of the velocity is constant

b)

The car accelerates because it's going 20 mph

c)

Cars always accelerate when they are in motion

d)

The car is accelerating because it's changing direction

14.
An object is _____ if its position changes relative to another object.
a)
in motion
b)
at reset
c)
a frame of refence
d)
magical
15.
What is the difference between instantaneous speed and average speed?
a)
Average speed happens in a particular instant, Instantaneous speed is the speed of an object over a longer period of time.
b)
Instantaneous speed is never right, average speed is always right
c)
Instantaneous speed happens in a particular instant, Average speed is the speed of an object over a longer period of time.
d)
Do not pick this answer
16.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking 
b)
Running
c)
Standing Still 
d)
Walking Fast
17.

Which of the following is an acceptable velocity measurement?

a)

25 m/s North

b)

25 m/s

c)

25 m

d)

25 m North

18.
A ball rolling west at 5 cm per second is an example of ____. 
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
19.
What is happening at E?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Steady speed; returning to start position
20.
When are you undergoing an acceleration in a car? 
a)
speed up
b)
slow down
c)
make turns
d)
All of the above 
21.
The picture of the position vs. time graph shows an object that is...
a)
accelerating/speeding up
b)
moving at a constant speed 
c)
not moving 
d)
accelerating/slowing down. 
22.

Match the description to the graph:

"The car is coming back."

a)
b)
c)
d)
23.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
24.
A ____________ is a push or a pull on an object.
a)
friction
b)
force
c)
magnet
d)
gravity
25.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
26.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
27.

A book rests on a table. The normal force points:

a)

Perpendicular to the table and away from the table.

b)

Perpendicular to the table and towards the table.

c)

Parallel to the table and away from the table.

d)

Parallel to the table and towards the table.

28.
There is a small amount of friction as the sled shown is pulled to the left. The friction points:
a)
up
b)
down
c)
left
d)
right
29.

Name the missing force on the crate that is sliding at a constant velocity.

a)

force friction

b)

force traction

c)

force gravity

d)

force applied

30.

The coffee cup in the picture is at rest on the table. What is true about the Normal force?

a)

The normal force is exactly 15

b)

The normal force is less than 15

c)

The normal force is more than 15

d)

The normal force is -10

31.

A man pushes a box across the floor at a constant velocity. There is a force that is non-contact from the Earth; what is the name of that force?

a)

force gravity

b)

force normal

c)

force friction

d)

force applied

32.

A man pushes a box across the floor at a constant velocity. What is the name of the force acting perpendicular to the floor?

a)

force gravity

b)

force normal

c)

force friction

d)

force applied

33.

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

34.

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

35.

Is the object in equillibrium?

a)

Yes

b)

No

c)

Not enough information

36.

The net force acting on the object is acting

a)

to the right

b)

up

c)

down

d)

to the left

37.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
38.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
39.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move up. 
40.
The unit for force is a called a: 
a)
Galileo
b)
Newton
c)
Aristotle
41.

The force exerted by ropes and chains is called

a)

tension

b)

normal

c)

elastic

d)

mechanical

42.
The mass of a car is 1000 kg.  How much force would be required to accelerate the car at a rate of 3 m/s2? 
a)
1000 ÷ 3
b)
3 ÷ 1000
c)
1000 x 3
43.

What is Newton's Third Law of Motion?

a)

an object at rest stays at rest, and an object in motion will stay in motion until an outside force acts upon it

b)

the acceleration of an object will be equal to the net force of an object divided by its mass

c)

for every action, there will be an equal and opposite reaction

d)

an object that is not moving will stay not moving moving until an unbalanced force acts on it

44.

If a bird hit your windshield on your car, the force of the car on the bird equals

a)

the force of the bird on your car.

b)

the force of the car on the brid

c)

an elastic collision on the windshield

d)

a noncontact force acting on the windshield

45.

The forces in a force pair are in the _______ direction

a)

opposite

b)

same

46.

What is Newton's Third Law of Motion?

a)

an object at rest stays at rest, and an object in motion will stay in motion until an outside force acts upon it

b)

the acceleration of an object will be equal to the net force of an object divided by its mass

c)

an object that is not moving will stay not moving moving until an unbalanced force acts on it

d)

for every action, there will be an equal and opposite reaction

47.

A player hits a ball with a bat. The action force is the impact of the bat against the ball. The reaction force is...

a)

The grip of the player's hands on the ball

b)

the air resistance of the ball

c)

the force of the ball against the bat

48.
What is Newton's First Law of Motion?
a)
F=m x a
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion unless acted on by another force. 
d)
Friction 
49.

What is inertia?

a)

the force that opposes motion

b)

the force of attraction between 2 objects

c)

an object's tendency to stay in its state of motion

d)

a change in an object's speed and/or direction

50.

Why does an 18-wheeler truck have more inertia than a bicycle?

a)

it has more mass

b)

it has more volume

c)

it is not as aerodynamic

d)

It has more space

51.
Objects with greater _________ also have greater inertia.
a)
speed
b)
mass
c)
temperature
d)
friction
52.

Which of the following has greatest inertia?

a)

Basketball

b)

Bowling ball

c)

Tennis ball

d)

Pingpong ball

53.

work is done when

a)

the object you apply a force on moves

b)

any force is applied to an object, regardless if it moves or not

c)

the force is zero

d)

the force and direction of motion are perpendicular

54.

Which form of energy is involved in a pencil falling from a desk?

a)

kinetic

b)

nonmechanical

c)

gravitational potential

d)

elastic potential

55.

Energy stored due to the interactions between objects

a)

potential

b)

positional

c)

total

d)

kinetic

56.

The ability to do work is called

a)

energy

b)

force

c)

power

d)

machine

57.
When energy moves from one form to another it is said to be _________________
a)
Transformed
b)
Eliminated
c)
Lost.
d)
Created 
58.
When you rub your hands together on a cold day, you use friction to convert
a)
Mechanical energy into thermal energy
b)
Thermal energy into nuclear energy
c)
Nuclear energy into electrical energy.
d)
Electrical energy into radiant energy
59.
Energy from a compressed spring would be an example of...
a)
kinetic
b)
elastic
c)
gravitational
d)
chemical
60.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
61.
Energy can not be created or destroyed, only converted from one form to another.
a)
true
b)
false
62.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
63.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 
a)
Both the potential energy and kinetic energy decrease
b)
The potential energy decreases while the kinetic energy increases 
c)
The kinetic energy decreases while the potential energy increases 
d)
Bothe the potential energy and kinetic energy increase 
64.
At which point is kinetic energy greatest? 
a)
W
b)
X
c)
Y
d)
Z
65.

In which scenario is work = 0 J ?

a)

Pushing a stationary wall

b)

Pulling a trolley car

c)

Pushing a book across the table

d)

Dropping a set of keys from a height, h.

66.

Work is measured in units called

a)

Joules

b)

Power

c)

Force

d)

Newtons

67.
The force when two objects are touching
a)
contact force
b)
action at a distance
c)
electrical force
d)
magnetic force
68.

What is an electrical circuit?

a)

a whole bunch of wires

b)

a broken path that electric charges can flow

c)

a circuit board

d)

a complete, unbroken path through which electric charges flow

69.

When a switch is open...

a)

the circuit is working and gives energy

b)

the circuit is broken and charges cannot flow

c)

the circuit is turning lights on

d)

I don't know...ask Ms. Cednick

70.

Will this circuit light the bulbs?

a)

Yes, both will light up

b)

Yes, but only the one on the right

c)

Yes, but only one on the left

d)

No, neither of the bulbs will light up

71.
If the electric circuit is CLOSED, the switch is _______. 
a)
ON
b)
OFF
72.
An example of an insulator is?
a)
metal
b)
plastic
c)
brass
d)
aluminum
73.
An example of a conductor is?
a)
metal paperclip
b)
glass marble
c)
wooden golf tee
74.

The symbol represents a ________________ and the long side represents the ________________ side.

a)

cell, positive

b)

cell, negative

c)

battery, positive

d)

battery, negative

75.

This is an example of a _______ circuit

a)

open

b)

series

c)

parallel

d)

square

76.

This is an example of a ______ circuit

a)

Series

b)

Parallel

c)

Open

d)

Dihexihedral

77.
When more branches are added to a parallel circuit, ____________________.
a)
resistance decreases
b)
voltage increases
c)
nothing changes
78.

What type of circuits have more than one path for current?

a)

open

b)

closed

c)

series

d)

parallel

79.
In the picture, if you replace the paper clip with a plastic spoon, what is the plastic spoon acting as? 
a)
A conductor
b)
A diode
c)
An insulator
d)
A switch
80.

The following instructions explain how to make a circuit that will power a buzzer:


1.Connect a wire from the positive pole of the

battery to the switch.

2. Connect a wire from the switch to the buzzer.

3. ?

4. Close the switch.


What is the missing step in #3?

a)

Connect a wire from the buzzer to the positive pole of the battery.

b)

Connect a wire from the switch to the negative pole of the battery.

c)

Connect a wire from the buzzer to the negative pole of the battery

d)

Connect a wire from the positive pole to the negative pole of the battery.

81.

What do all waves transfer?

a)

Matter

b)

Heat

c)

Electricity

d)

Energy

82.

What are the two types of waves?

a)

longitudinal and transverse

b)

sound and light

83.

What is the number of complete waves passing a fixed point in a given amount of time?

a)

Amplitude

b)

Intensity

c)

Wavelength

d)

Frequency

84.

What does #1 represent?

a)

Period

b)

Frequency

c)

Wavelength

d)

Amplitude

85.

What does #2 represent?

a)

Period

b)

Frequency

c)

Wavelength

d)

Amplitude

86.

The highest point on a wave is:

a)

the crest

b)

the trough

c)

the top

d)

the coast

87.

You can't hear sounds in outer space because there is no

a)

medium

b)

light

c)

energy

d)

heat

88.

Which wave in the diagram has the greatest frequency?

a)

1

b)

2

c)

3

d)

4

89.

Which wave in the diagram has the greatest wavelength?

a)

1

b)

2

c)

3

d)

4

90.
What type of wave is this?
a)
Transverse
b)
Longitudinal
91.

Cell phones (also have microwaves) and televisions use this type of EM wave. It has the longest wavelength with the lowest frequency.

a)

Radio Wave

b)

TV Wave

c)

Gamma wave

d)

Ultraviolet Wave

92.

The type of wave with the shortest wavelength and highest frequency. This type of wave is extremely harmful.

a)

radio

b)

infrared

c)

gamma

d)

x ray

93.

Which has the LONGEST wavelength and, therefore, the lowest frequency/energy

a)

Gamma Rays

b)

Radio Waves

c)

Visible Light

d)

Infrared rays

94.
Short sound waves are...
a)
high pitched
b)
low pitched
c)
medium pitched
95.
Long sound waves are...
a)
high pitched
b)
low pitched
c)
medium pitched
96.
What can you tell about this object's motion?
a)
Moving to the North (up).
b)
Moving to the South (down). 
c)
Moving to the West (left). 
d)
Moving to the East (right). 
97.
What can you tell about the motion of this object?
a)
Moving left.
b)
Moving right quickly.
c)
Standing still. 
d)
Moving up slowly. 
98.
What direction is this object moving?
a)
left
b)
right
c)
up
d)
down
99.

The Sun is our star made mostly of

a)

helium

b)

hydrogen and helium

c)

hydrogen

d)

helium, hydrogen, and gold

100.

What protects Earth from solar winds?

a)

The poles

b)

The moon's gravity

c)

The magnetic field

d)

The tidal range

101.
What causes aurora borealis or northern lights?
a)

The Corona

b)

Prominences

c)

Sunspots

d)

Solar Winds

102.
This is the only layer seen during a total solar eclipse? 
a)
Corona
b)
Photosphere
c)
Core
103.

What does the Big Bang Theory tell us

a)

About the popular television show.

b)

the entire universe was once condensed in the form of primeval atom, or a dense mass.

c)

how the universe began.

104.

As galaxies move away from our galaxy

a shift on the electromagnetic spectrum

(EMS) is noticed. This phenomena is

called _____________.

a)

redshift

b)

blueshift

c)

unshift

d)

blackshift

105.

How does Cosmic Microwave Background Radiation support the Big Band Theory?

a)

Microwaves are found everywhere in the universe.

b)

Microwaves occurred at the time of the Big Bang

c)

Microwaves are useful in our everyday lives

d)

Only A & B

106.

How does the abundance of hydrogen and helium support the Big Bang Theory.

a)

Hydrogen and helium are elements on the Periodic Table

b)

Hydrogen and helium are in the same ratio throughout the universe.

c)

Hydrogen and helium have many current uses today

107.

What is the correct order for the formation of our solar system?

a)

1,2,3,4

b)

2,3,4,1

c)

2,4,3,1

d)

1,3,4,2

108.

How did Albert Einstein contribute to our understanding of the universe?

a)

He discovered that galaxies were moving away from each other.

b)

His Theory of Relativity helped us understand gravity, which holds our Universe together.

c)

He did NOT contribute to our understanding of the Universe.

d)

He discovered the Red Shift phenomena.

109.

Hydrogen and helium were the first atoms to form because...

a)

they are the lightest and simplest.

b)

they are the heaviest.

c)

they required more oxygen than others to form.

d)

they did not require human intervention to exist.

110.
What word best describes our sun?
a)
Average
b)
Supergiant
c)
Dwarf
d)
Red Giant
111.
What color of star is the hottest?
a)
Blue
b)
Red
c)
Yellow
d)
Orange
112.

Our sun is currently in what star stage?

a)

Protostar

b)

Nebula

c)

Main Sequence

d)

Red Giant

113.

On the H-R diagram, it compares a star's brightness to its

a)

Temperature

b)

Composition

c)

Age

114.

In the universe, most stars are classified as which type?

a)

Supergiants

b)

Giants

c)

White Dwarfs

d)

Main Sequence

115.
Look at the H-R diagram. Which star is
sort of cool, dim (not too much light), and red?
a)
Betelguse
b)
Sirius B
c)
Procyon B
d)
Barnard's star
116.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
117.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
118.
What type of galaxy has no defined pattern or shape?
a)
Spiral 
b)
Elliptical
c)
Irregular
d)
Constellation
119.
What are galaxies held together by?
a)
Gravitational Attraction
b)
Stars
c)
Other galaxies
d)
Dust and Gas
120.
What is the name of our galaxy? 
a)
Our galaxy is called the Milky Way galaxy 
b)
Our galaxy is called the Andromeda galaxy 
c)
Our galaxy is called the Grand spiral  galaxy. 
d)
Our galaxy is called the Whirlpool galaxy.
121.

Stars are born in

a)

the big bang

b)

black holes

c)

protoplanetary disks

d)

nebulae

122.

After a small star has used up all of it's hydrogen, it will become a......

a)

white dwarf

b)

red giant

c)

interstellar cloud

d)

supernova

123.

When a supergiant runs out of fuel for fusion it will collapse in on itself and explode in a ....

a)

big bang

b)

black hole

c)

nebula

d)

supernova

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