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Semester 1 Review (PS)

Total questions: 103

Worksheet time: 2hrs 17mins

Name
Class
Date
1.

How would you write 4.3756 x 104 in standard form?

(a)  

2.

How would you write 0.0005 in scientific notation?

a)

50 x 10-5

b)

5 x 10-4

c)

5 x 103

d)

.5 x 103

3.

Which of the following numbers is written in scientific notation?

a)

20.35 x 104

b)

.2035 x 104

c)

2035 4

d)

2.035 x104

4.

If the exponent is a positive number the original number was...

a)

a really big number.

b)

a really small number.

5.

If the exponent is a negative number the original number was...

a)

a really large number.

b)

a really small number.

6.

Convert 1.07 meters to centimeters.

a)

107 centimeters

b)

17 centimeters

c)

1070 centimeters

d)

1007 centimeters

7.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
8.
A testable explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
9.
This variable in an experiment is the one being changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
10.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
11.
The name of the information that you get from your experiment (you organize it into charts and graphs).
a)
observations
conclusion
b)
data
c)
variables
d)
hypothesis
12.
Dependent variable means
a)
the scientist controls what to test
b)
educated guess
c)
ask a question
d)
what is being measured
13.
This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted. 
a)
experimental group
b)
control group
c)
data
d)
variables
14.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
15.
If I study for my scientific method test, then I will have a better test score. What is the dependent variable?
a)
Scientific Method
b)
Studying
c)
Independent variable
d)
Test score
16.
In a controlled experiment, how many variables can be worked with at a time? 
a)
one
b)
none
c)
two or more
d)
how ever many makes sense.
17.

Name the type of graph.

a)

pie chart

b)

tally chart

c)

pictograph

d)

bar graph

18.
What type of graph is this?
a)
Bar graph
b)
Histogram
c)
Pie Chart
d)
Stem Chart
19.
What type of graph is this?
a)
Line Graph
b)
Pictograph
c)
Bar Graph
d)
Histogram
20.
A pie chart allows you to easily see
a)
information about the proportion of parts relative to the whole.
b)
the total number of each category.
c)
how much data occurs within a range of numbers.
d)
the spread of the data.
21.

What type of graph should be used to show the color car that gets the highest percentage of speeding tickets?

a)

bar graph

b)

histogram

c)

line

d)

pie chart

e)

scatterplot

22.

What type of graph should be used to show how many students got an A, B, C, D, or F on a unit exam?

a)

bar graph

b)

histogram

c)

line

d)

pie chart

e)

scatterplot

23.

This instrument is a

a)

balance

b)

graduated cylinder

c)

ruler

d)

thermometer

24.

How much liquid is in the graduated cylinder?

a)

24 ml

b)

20 g

c)

35 cm

d)

25 C

25.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
26.
which is not a possible unit for distance?
a)
meters
b)
feet
c)
miles
d)
min
27.
How much time does it take for a car travelling at 65 miles/hour to travel 300 miles?
a)
4.6 hours
b)
0.22 hours
c)
19,500 hours
d)
none of the above
28.

Distance

a)

the amount of space between one point and another

b)

a specific point in space

c)

the change in position of an object

d)

the point or place where something begins

29.

speed

a)

distance traveled per unit of time

b)

a change in the position of an object compared to another object (related term: move, movement)

c)

measured period during which something occurs

d)

a change in the velocity (speed, direction, or both) of a body (related word: accelerate)

30.

displacement

a)

the change in position of an object

b)

the amount of space between one point and another

c)

the speed and direction of moving objects

d)

the point or place where something begins

31.

velocity

a)

the speed and direction of moving objects

b)

distance traveled per unit of time

c)

a specific point in space

d)

a pull or push that is applied to an object

32.

How can you tell if an object is in motion?

a)

the object will look different

b)

I'll be able to see the forces

c)

It will remain in the same position

d)

Its position will change in relation to other objects

33.

Distance divided by time is how you find

a)

speed

b)

velocity

c)

displacement

d)

motion

34.

Speed that remains the same or does not change

a)

Distance

b)

Constant Speed

c)

Mass

d)

Acceleration

35.
 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?
a)

800

b)

400

c)

0

d)

200

36.
Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home.  What is Bill's distance?
a)
0 meters
b)
400 meters
c)
800 meters
d)
1600 meters
37.
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
38.
What is the speed of an object that travels 20 meters in 4 seconds?
a)
80 m/s
b)
0.2 m/s
c)
5 m/s
d)
24 m/s
39.

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

40.
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
41.
Acceleration is defined as the CHANGE in 
a)
time it takes for one place to move to another place. 
b)
velocity of an object.
c)
distance divided by the time interval 
d)
velocity divided by the time interval 
42.
Acceleration only takes place when things speed up. 
a)
True
b)
False
43.
A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
44.

In which of the following situations would a car be speeding up while traveling forward?

a)

positive velocity and positive acceleration

b)

positive velocity and negative acceleration

c)

negative velocity and positive acceleration

d)

negative velocity and negative acceleration

45.
The speedometer on your car tells you
a)
average velocity
b)
instantaneous velocity
c)
average speed
d)
instantaneous speed
46.
Which graph represents zero acceleration (constant velocity)?
a)
A
b)
B
c)
C
d)
D
47.
Which graph shows the object standing still?
a)
A
b)
B
c)
C
d)
D
48.

What is force in physics?

a)

A power in Star Wars

b)

A push or pull on an object

c)

A stop on an object

d)

The start of an object

49.

What can force do to an object?

a)

Accelerate an object

b)

Slow down an object

c)

Have the object remain in place

d)

Have the object change shape

e)

All of the above

50.

What is the measure of force?

a)

Newtons

b)

Light years

c)

Inches

d)

Gallons

51.

If these boys 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.

52.

This type of force resists motion between two surfaces that are pressed together.

a)

contact

b)

gravity

c)

friction

53.
a)
Balanced
b)
Unbalanced
54.
a)
Balanced
b)
Unbalanced
55.

Static friction is present only when an object is at rest.

a)

True.

b)

False.

56.

Newton's Law of Inertia (first law) describes the motion of:

a)

Objects at rest only

b)

Objects in motion only

c)

Objects at rest and objects that are in motion

d)

Objects that accelerate

57.

Which one of Newton’s Laws of Motion best explains why the dishes do not move when the tablecloth is removed?

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action-Reaction

d)

Law of Gravitation

58.

Which law best explains why more force must be applied to the bowling ball to make it accelerate at the same rate as the tennis ball?

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action - Reaction

d)

Law of Gravitation

59.

Force is directly proportional to acceleration but inversely proportional to an object's mass.

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action - Reaction

60.

What is Newton's 2nd law of motion?

a)

Force =mass x accelerationForce\ =mass\ x\ acceleration  

b)

An object at rest stays at rest unless acted on by an unbalanced force.

c)

For every action, there is an equal and opposite reaction.

d)

Speed = displacementtimeSpeed\ =\ \frac{displacement}{time}  

61.

What is Newton's 3rd law of motion?

a)

Force = mass x accelerationForce\ =\ mass\ x\ acceleration  

b)

An object at rest stays at rest unless acted on by an unbalanced force.

c)

For every action, there is an equal and opposite reaction.

d)

Law of gravity 

62.

According to Newton's Second Law, which would take more force to slow down?

a)

The truck

b)

The car

c)

They would both take the same force

d)

Cannot be determined

63.

Your 2500 kg car experiences a net force of 5000 N. How fast will it accelerate?

a)

20 m/s2

b)

0.5 m/s2

c)

2 m/s2

d)

120 N

64.

If a baseball and a cannonball are dropped from the same height at the same time, which ball will hit the ground first?

a)

The cannonball

b)

The baseball

c)

The balls land at the same time.

d)

The ball with the larger volume

65.

The momentum of an object depends upon the object's ___________&_____________.

a)

size and shape

b)

mass and speed

c)

mass and velocity

d)

mass and energy

66.

What is the net force?

a)

40 N left

b)

0 N Balanced

c)

400 N right

d)

40 N right

67.

The definition of momentum is:

a)

Mass in Motion

b)

The size of an object

c)

The velocity of an object

d)

A comparison between two objects

68.

The equation to calculate momentum is:

a)

p=mv

b)

p=1/2mv2

c)

p=mgh

d)

p=mg

69.
Which of the following images has more momentum?
a)
Object A
b)
Object B 
c)
They are the same
70.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
71.
Determine the momentum of 1000-kg car moving northward at 20 m/s......... 
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s
d)
20000 kg * m/s north
72.

What is the unit of measurement for energy?

a)

Newton

b)

Watt

c)

Joule

d)

Metres

73.

What is work?

a)

The product of force and distance

b)

Force divided by distance

c)

Measured in watts

d)

The product of Force and time

74.

What is the equation for work

a)

W = FXd

b)

W = F/t

c)

W = P/T

d)

W= J/P

75.

What is power?

a)

How slow you are at lifting

b)

Work X Time

c)

Measured in Joules

d)

The rate of doing work

76.

What is the equation for power?

a)

P = W X t

b)

P= W/t

c)

P = w/j

d)

P = M X a

77.

What is the unit for Power?

a)

Newton

b)

m/s

c)

watt

d)

joules

78.

What is energy?

a)

The battery percentage on your phone

b)

The ability to do work

c)

How quickly you do work

d)

How many steps you take in a day

79.

This type of energy is a measure of how fast the particles of an object are moving.

a)

Sound energy

b)

Thermal energy

c)

Radiant energy

d)

Thermal energy

80.

During a campout, Bob warms his hands by the campfire. This demonstrates ---

a)

radiation

b)

conduction

c)

convection

d)

condensation

81.

The measure of the average kinetic energy of the particles in an object is

a)

thermal equilibrium

b)

potential energy

c)

convection

d)

temperature

82.

Materials that do not move heat well

a)

conductors

b)

radiation

c)

insulators

d)

metal

83.

What type of thermal energy is being displayed in this picture?

a)

convection

b)

conduction

c)

radiation

d)

kinetic

84.

What material is the best conductor of heat?

a)

glass

b)

metal

c)

wood

d)

styrofoam

85.
Heat transfer always goes from-
a)
Cold to Hot
b)
Hot to Cold
c)
Heat doesn't transfer
d)
Freezing to Cold
86.

The picture showing the energy conversion

Electrical → light

is:

a)
b)
c)
d)
87.

What is the energy conversion when you plug in a stereo and listen to music?

a)

electrical to mechanical

b)

chemical to heat

c)

electrical to light

d)

mechanical to sound

88.

What is the energy conversion when you plug in a fan?

a)

light to mechanical (motion)

b)

electrical to heat

c)

mechanical (motion) to light

d)

electrical to mechanical (motion)

89.
__________ energy is the energy due to motion.
a)
Kinetic 
b)
Potential 
c)
Neither 
d)
Both
90.
__________ energy is the energy that is stored. 
a)
Kinetic 
b)
Potential 
c)
Neither 
d)
Both
91.

what is the law of conservation of energy

a)

energy can be created but cannot be destroyed

b)

energy cannot be created or destroyed, but it can be transformed

c)

energy can be destroyed but not created

d)

energy cannot be created destroyed or transformed

92.
Explain what happens to the potential energy of a rock as it falls off the side of a cliff.
a)
The kinetic energy decreases as the potential energy increases.
b)
The kinetic energy decreases as the potential energy decreases.
c)
The potential energy decreases as the kinetic energy increases.
d)
The potential energy decreases as the kinetic energy decreases. 
93.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
94.

What type of circuit is this?

a)

Series

b)

Parallel

c)

Simple

95.
What type of circuit is pictured?
a)
series
b)
parallel
96.
In a ________ circuit there are multiple paths for the current to take.
a)
Series
b)
Parallel
97.
In a _________ circuit, if one bulb goes out then the entire circuit doesn't work.
a)
Series
b)
Parallel
98.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator 
c)
Resistance 
d)
Conductor 
99.

Which is the electrical symbol for one battery?

a)
b)
c)
d)
100.

What is one benefits of using a parallel circuit?

a)

It gets confusing.

b)

There are no problems.

c)

If one goes down, it does not affect theothers.

d)

It has no benefits

101.

What is one problem with using a series circuit?

a)

If one device goes down, they all go down!

b)

It doesn't work properly.

c)

It has a lot of series.

d)

There are no problems.

102.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
103.
2 ways to increase the magnetic force of an electro-magnet
a)
Increase the current flow, reduce the number of coils
b)
Increase the voltage, decrease the number of coils
c)
Increase the number of coils and the current flow
d)
Spread out the coils, replace iron core with rubber.

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