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Mid-Term Review

Total questions: 141

Worksheet time: 2hrs 38mins

Name
Class
Date
1.

Total distance an object travels with direction.

a)

Displacement

b)

Distance

c)

Path

d)

Velocity

2.

What is the correct unit for distance?

a)

m or km

b)

d or kd

c)

s

d)

N

3.

What is the correct unit for velocity?

a)

m/s2

b)

mi/hr

c)

d/t

d)

m/s

4.

An airplane accelerates down a runway at 3.20 m/s2 for 8 s until it finally lifts off the ground.
Determine the velocity at take-off.

a)
0.4 m/s
b)
25.6 m/s
c)
2.5 m/s
5.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
6.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
7.
Acceleration occurs when an object changes its speed or ______.
a)
direction
b)
force
c)
inertia
d)
mass
8.
Which runner stopped for a rest?
a)
Albert
b)
Bob
c)
Charlie
9.
Which runner won the race?
a)
Albert
b)
Bob
c)
Charlie
10.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
11.

What is happening between 2 and 3 seconds?

a)

The object is not moving.

b)

The object is not accelerating.

c)

The object is slowing down.

d)

The object is speeding up.

12.
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
13.
Which line represents an object moving at a faster speed?
a)
A
b)
B
14.
This graph demonstrates an object that is -
a)
At a constant speed
b)
Increasing speed
c)
Decreasing speed
d)
Stationary
15.
This is a velocity-time graph.  What is the object doing in segment B?
a)
Positive acceleration
b)
Negative acceleration
c)
Constant Velocity
d)
Not moving
16.

What is the formula for speed?

a)

speed = distance x time

b)

speed=distance / time

c)

speed = time / distance

d)

speed = distance + time

17.
Which graph is showing acceleration (getting faster)
a)
D
b)
E
c)
both D and E
d)
neither D or E
18.
How long did it take this object to travel 10 m?
a)
0 s
b)
10 s
c)
15 s
d)
20 s
19.
At 60 seconds, how far had this object traveled? 
a)
0 m
b)
10 m
c)
20 m
d)
40 m
20.

How would you walk to produce this graph?

a)

walk away slow for 4 minutes, stand still for 4 minutes, walk away fast for 2 minutes

b)

walk away slow for 2 minutes, stand still for 2 minutes, walk away fast for 6 minutes

c)

walk toward slow for 4 minutes, stand still for 4 minutes, walk toward fast for 2 minutes

d)

walk away at increasing speed for 4 minutes, stand still for 4 minutes, walk away with increasing speed for for 2 minutes

21.

What is your velocity in segment B of the graph?

a)

0 m/s

b)

10 m/s

c)

2 m/s

d)

6 m/s

22.

Which line segment show your speed is zero?

a)

A

b)

B

c)

C

d)

D

23.

Which line segment shows increasing speed?

a)

A

b)

B

c)

C

d)

D

24.

In science, __________________________ is defined as a change in position.

a)

motion

b)

potential energy

c)

evaporation

d)

sublimation

25.

The SI unit for distance is the ______________________________.

a)

millimeter

b)

foot

c)

meter

d)

gram

26.

_____________________________________is a measure of the change in velocity of a moving object

a)

acceleration

b)

speed

c)

distance

d)

displacement

27.

The formula for calculating velocity is

a)

velocity=distancetimevelocity=\frac{dis\tan ce}{time}  

b)

velocity =timedistancevelocity\ =\frac{time}{dis\tan ce}  

c)

velocity = accelerationtimevelocity\ =\ \frac{acceleration}{time}  

d)

velocity =timeaccelerationvelocity\ =\frac{time}{acceleration}  

28.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
29.
The amount of friction depends on the weight of the objects pressing together.
a)
True
b)
False
30.
What type of friction is not moving?
a)
static
b)
sliding
c)
fluid
d)
rolling
31.
How can friction be reduced?
a)
reduce the force acting between the 2 surfaces
b)
reduce the roughness of the 2 surfaces coming in contact
c)
use wax, grease or oil
d)
all of the above are ways of reducing friction
32.
A type of friction that occurs when air pushes against a moving object causing it to decelerate.
a)
surface area
b)
air resistance
c)
velocity
d)
gravity 
33.
Which of the following is an example of friction that is helpful?
a)
Brakes used on a bike
b)
Tires from a car on the road
c)
Tread on the bottom of your shoes
d)
All are examples that are helpful
34.
How would the absence of friction affect a marble traveling on a long, straight path?
a)
The marble’s speed would decrease.
b)
The marble’s speed would increase.
c)
The marble would stop immediately. 
d)
The marble would remain at constant speed.
35.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
36.

When looking at friction problems, if the net force in the x-direction on an object is zero, what can we say about its acceleration?

a)

it is positive

b)

it is negative

c)

it is zero

d)

not enough information is given

37.

Which type of friction is shown in the picture?

a)

fluid

b)

static

c)

rolling

d)

sliding

38.

Which type of friction is shown in the picture?

a)

rolling

b)

static

c)

fluid

d)

sliding

39.

This photo represents...

a)

Air resistance

b)

water resistance

c)

friction force between 2 solid bodies

40.

Which boy A or B will slide down faster

a)

A

b)

B

c)

A and B

41.

A hard wood floor has more friction than a carpet.

a)

true

b)

false

42.

Why is it important for basketball players to wear shoes with tread when playing?

a)

to increase the speed of the player

b)

to decrease the force between the player and the floor

c)

to decrease the amount of force needed for the player to move

d)

to increase friction between the floor and the player’s feet

43.

Rough surfaces have _________ compared to smoother surfaces.

a)

greater friction

b)

less friction

c)

the same level of friction

d)

no friction

44.

Match the following Types of Friction to their descriptions

a)

1.

Static Friction

b)

2.

Sliding Friction

c)

3.

Fluid Friction

d)

4.

Rolling Friction

45.
When we pour sand on an icy road, what force are we increasing to help cars stay on the road?
a)
electricity
b)
magnetism
c)
friction
d)
gravity
46.
On which surface would a toy car travel the furthest when pushed?
a)
ice
b)
carpet
c)
snow
d)
sand
47.

The information you collect while doing your experiment is called

a)

conclusions

b)

data

c)

hypotheses

d)

procedures

48.
The summary at the end of an experiment that explains the results is... 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
49.
A testable prediction about a scientific investigation is a(n)
a)
Question
b)
Observation
c)
Hypothesis
d)
Experiment
50.

What is the last step of scientific method?

a)

hypothesis

b)

observe

c)

communicate

d)

question

51.
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
52.

The information you collect while doing your experiment is called

a)

conclusions

b)

data

c)

hypotheses

d)

procedures

53.
If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?
a)
True
b)
How fast you get to school
c)
Riding a bike or walking
d)
False
54.
Evidence is ___________________
a)
A statement or conclusion that answers a question
b)
Scientific data that supports the claim
c)
A justification that connects the claim to the evidence
d)
Not vital when using an argument
55.
Reasoning is __________________.
a)
A statement of conclusion that answers the original question/problem
b)
Scientific data that supports the claim
c)
A justification that connects the evidence to the claim
d)
Empirical Evidence
56.
Air is matter. We found that the weight of the ball increases by .5lbs each time we pumped more air into it. This shows that air has weight, one of the characteristics of matter.
Which sentence is the claim?
a)
Air is matter.
b)
We found that the weight of the ball increases by .5lbs each time we pumped more air into it.
c)
This shows that air has weight, one of the characteristics of matter.
57.
When you are using your 5 senses to gather facts and information, you are...
a)
Making observations
b)
Making evidence
c)
Making science
58.
Has specific data, numbers, values, or qualitative descriptions. 
a)
Claim
b)
Evidence 
c)
Reasoning
d)
All
59.

Read each statement and match with the correct C-E-R method.

a)

Plastic bottles should be completely banned.

1.

Claim

b)

Based on a study by USC, "every year billions of plastic bottles are landfilled, incinerated, or dumped in the ocean, where they leach pollutants into our water, air, soil, and food."

2.

Evidence

c)

This proves that plastic bottles should be completely banned because plastic bottles ruin our environment.

3.

Reasoning

60.

What does CER stand for?

a)

Claim Evidence Reasoning

b)

Chart Evidence Resource

c)

Claim Events Resource

d)

Claim Evidence Reject

61.

What is the purpose of reasoning when writing a scientific argument?

a)

To link the claim and the evidence.

b)

To give more detail.

c)

To learn how to write better.

d)

To score high on a test.

62.

Is this statement a Claim, Evidence, or Reasoning? "The Earth is round."

a)

Claim

b)

Evidence

c)

Rasoning

63.

Claim, Evidence, or Reasoning? "More accidents happen during full moons, because emergency rooms are full then."

a)

Claim

b)

Evidence

c)

Reasoning

64.

Which of the following is an example of quantitative evidence?

a)

65 degrees Fahrenheit

b)

Warm temperature

c)

Cool temperature

d)

A changing temperature.

65.

Commonly conducted to test a hypothesis

a)

variable

b)

science

c)

data

d)

experiment

66.

A summary of findings

a)

variable

b)

conclusion

c)

experiment

d)

data table

67.

Most scientific investigations begin with this

a)

variable

b)

conclusion

c)

question

d)

science

68.

Factor that is being tested

a)

experiment

b)

data

c)

variable

d)

controlled experiment

69.
Data that are qualitative are always-
a)
described in words
b)
represented in numbers
c)
repeated for verification
d)
the most accurate type of data
70.
What is NOT an example of qualitative data?
a)
the average high daily temperature for the month of july
b)
the names of chemicals found in breakfast cereal
c)
the zip codes in which each high school student resides
d)
types of shoes worn by pedestrians on a city street 
71.
How does the control group differ from an experimental group in a scientific experiment?
a)
the control group does not contain the experimental data, whereas the experimental group does
b)
the control group does not contain the experimental variable, whereas the experimental group does not
c)
the control group is not tested or measured
d)
the control group contains more than one experimental variable
72.

Any food we eat is a type of....

a)

Thermal Energy

b)

Chemical Energy

c)

Mechanical Energy

d)

Nuclear Energy

73.

The moving of electrons is which type of energy?

a)

Radiant

b)

Nuclear

c)

Electric

d)

Thermal

74.

Which of the following is not a form of radiant energy?

a)

Microwaves

b)

Gamma Rays

c)

Visible light

d)

Sound Waves

75.
Which form of energy causes water to boil?
a)

electrical energy

b)

mechanical energy

c)

thermal energy

d)

nuclear energy

76.

Kinetic Energy is the energy of _________

a)

thermal

b)

movement

c)

potential

d)

atoms

77.

Which process is used by nuclear power plants to produce low cost, long lasting energy?

a)

Nuclear fission

b)

Neutron combination

c)

Nuclear fusion

d)

Nuclear detonation

78.

Energy is the ability to do __________

a)

bonds

b)

work

c)

atoms

d)

molecules

79.
Which type of energy is produced when the handle of a pencil sharpener turns?
a)
Light Energy
b)
Magnetic Energy
c)
Electrical Energy
d)
Mechanical Energy
80.
Heat is another name for-
a)
thermal energy
b)
magnetic energy
c)
electrical energy
d)
mechanical energy
81.

What is potential energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

non renewable energy

82.
__________ is an energy resource that WILL NOT run out in the next several hundred years. 
a)
Renewable Energy Resource
b)
Nonrenewable Energy Resource
83.
A type of energy that is renewable because it uses the sun's energy is
a)
nuclear energy
b)
biomass energy
c)
solar energy
d)
geothermal energy
84.
A type of energy that is renewed in a short time and is made of fuels that are made from wood, dried plants and garbage is
a)
biomass
b)
solar energy
c)
water energy
d)
nuclear energy
85.
A type of energy that uses heat that is stored  inside the earth is 
a)
geometric energy
b)
geothermal energy
c)
biomass energy
d)
solar energy
86.

This alternate energy generates electricity by turning on the turbine through falling water stored from a dam

a)

solar energy

b)

nuclear energy

c)

geothermal energy

d)

hydroelectric energy

87.

What is the main component of a photovoltaic system that converts sunlight into electricity?

a)

battery

b)

solar panel

c)

wind turbine

d)

solar plate

88.

Renewable energy resources produce less_____________ than fossil fuels.

a)

pollution

b)

energy

c)

wind

d)

light

89.

What is a geothermal heat pump?

a)

A machine that extracts heat from the air to provide heating

b)

A system that uses water from a river to cool down a building

c)

A device that uses the heat from the sun to warm up a building

d)

A heating and/or cooling system that uses the constant temperature of the earth as the exchange medium.

90.

"Geo" means? "Thermal" means?

a)

Earth and Cold

b)

Earth and Heat

c)

Sun and Heat

d)

Sun and Cold

91.

Two Disadvantages of Solar Power are:

a)

It is polluting

b)

It is not always sunny out

c)

It is inefficient (nor fully utilizing the Sun's energy)

d)

It cannot be stored at all.

92.

What are some concerns about building dams to create hydropower? Check all that apply.

a)

Dams change the environment.

b)

There are no concerns.

c)

Dams change fish swimming patterns.

d)

Dams store too much water.

93.
All of the following are problems of nuclear energy except ---
a)
storage of radioactive fuel
b)
pollution
c)
security concerns
d)
natural disasters (tsunamis, earthquakes, etc.)
94.
Nuclear power uses ____ for fuel.
a)
steel
b)
coal
c)
uranium
d)
hydrogen
95.

Why are fossils fuels so widely used?

a)

They are renewable so they won't run out.

b)

They pollution they produce is less compared to renewable energy sources.

c)

They are easy to obtain and process.

d)

They don't disrupt the environment when mined from the earth.

96.
Drilling and transporting fossil fuels causes damage to natural habitats and can lead to land and water pollution. 
a)
True
b)
False
97.
Corn, wheat, and soybeans can be made into a substance called ethanol. In some places, ethanol is part of a mixture used to power cars and trucks. What type of alternative energy resource is ethanol?
a)
Hydroelectric
b)
Geothermal
c)
Biofuels
d)
Solar
98.

Which of these problems could happen if we don't look after the resources we have?

a)

Loss of animal homes

b)

Climate change

c)

Increase in pollution

d)

All of the above

99.

Which of the following is a renewable energy source?

a)

Natural Gas

b)

Coal

c)

Oil

d)

Geothermal

100.

Energy from the sun is ___________________.

a)

hydroelectric energy

b)

geothermal energy

c)

solar energy

d)

wind energy

101.

What charges do protons have?

a)

Positive

b)

Negative

c)

None

d)

Both

102.

What charges do Neutrons have?

a)

Positive

b)

Negative

c)

Both

d)

None

103.

What charges do Electrons have?

a)

Positive

b)

Negative

c)

None

d)

Both

104.

What is Conductive?

a)

Materials that are easy for Electrons to flow through

b)

Materials that are hard for Electrons to flow through

105.

What is Insulative?

a)

Material that is hard for electrons to flow

b)

Material that is easy for electrons to flow

106.

All of these materials are considered Conductive. EXCEPT...

a)

Silver

b)

Metal

c)

Paper

107.

All of these materials are considered Insulative. EXCEPT...

a)

Rubber

b)

Glass

c)

Copper

108.

Charges added to a conductor quickly spread over the surface of the object.

a)

True

b)

False

109.

Electric charge is neither created nor destroyed; it is conserved.

a)

True

b)

False

110.

Electric charges exist within atoms.

a)

True

b)

False

111.

A series circuit has more than one path for the electric current to follow.

a)

True

b)

False

112.

Like charges attract, whereas opposite charges repel.

a)

True

b)

False

113.

A(n) ___ is described as a flow of charged particles.

a)

resistor

b)

electric current

c)

electric circuit

d)

resistance

114.

A circuit that has two or more separate branches for current is a ___.

a)

parallel circuit

b)

series circuit

c)

circuit diagram

d)

electron circuit

115.

Transferring charge by touching or rubbing is called ____.

a)

a. charging by contact

b)

b. convection

c)

c. insulation

d)

d. none of these

116.

Electric charge that has accumulated on an object is referred to as ____.

a)

a. circuit electricity

b)

b. current circuit

c)

c. current electricity

d)

d. static electricity

117.

An area with excess electrons has a net ____ charge; an area with a deficit of electrons has a net ____ charge.

a)

a. negative, positive

b)

b. positive, negative

c)

c. positive, neutral

d)

d. negative, neutral

118.

Resistance is measured in a unit called the ____.

a)

a. ampere

b)

b. watt

c)

c. ohm

d)

d. volt

119.

Lightning is ____.

a)

a buildup of neutrons

b)

harmless

c)

a buildup of protons

d)

a large discharge of static electricity

120.

Normally, atoms are electrically neutral because there are ____.

a)

more protons than electrons

b)

more electrons than protons

c)

equal numbers of protons and neutrons

d)

equal numbers of protons and electrons

121.

Voltage difference is measured in ____.

a)

volts

b)

amps

c)

ohms

d)

watts

122.

When no current flows through a circuit, it's called a(n) ____.

a)

open circuit

b)

series circuit

c)

parallel circuit

d)

bummer

123.

Similar charges ___

a)

attract

b)

repel

c)

create atoms

d)

attract and repel

124.

Different charges ___

a)

attract

b)

repel

c)

create atoms

d)

attract and repel

125.

An unbalanced negative or positive electric charge on an object is called ___.

a)

electric current

b)

electricity

c)

static charge

d)

charged object

126.

How many ohms are in this resistor?

a)

1

b)

12

c)

13

d)

10

127.

ANSWER ONLY WITH NUMBERS and the prefix k or M (if necessary): A 4-band resistor colored green, blue, brown, gold has a value of...

(a)  

128.

ANSWER ONLY WITH NUMBERS and the prefix k or M (if necessary): A 4-band resistor colored orange, white, orange, gold has a value of...

(a)  

129.

ANSWER ONLY WITH NUMBERS and the prefix k or M (if necessary): A 4-band resistor colored brown, red, yellow, gold has a value of...

(a)  

130.

What are the first three bands of a

47 kΩ47\ k\Omega resistor?

a)

yellow, violet, brown

b)

yellow, blue, orange

c)

orange, violet, yellow

d)

yellow, violet, orange

131.

What are the first three bands of a

100 Ω100\ \Omega resistor?

a)

brown, brown, brown

b)

brown, black, black

c)

brown, black, brown

d)

black, black, brown

132.

What are the first three bands of a

2.7 kΩ2.7\ k\Omega resistor?

a)

red, yellow, red

b)

red, violet, red

c)

red, violet, orange

d)

orange, blue, brown

133.

What type of circuit is shown in the example?

a)

Series circuit

b)

Parallel circuit

c)

Mixed circuit

d)

Open circuit

134.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
135.
This circuit has more than one loop. When one light goes out, the others stay on. 
a)
closed circuit
b)
series circuit
c)
parallel circuit
d)
open circuit
136.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will stay on
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
137.
Which of the two circuits would have the brightest bulbs? 
a)
A
b)
B
138.

What is the purpose of a breadboard?

a)

To protect LEDs

b)

To connect wires in a circuit

c)

To solder electronic components

d)

To hold batteries

139.

What happens if you connect the battery to the LED backwards?

a)

The LED won't light up

b)

The LED will be brighter

c)

The LED will burn out

d)

The LED will change color

140.

What is the path made for an electric current called?

a)

electric current

b)

an insulator

c)

a conductor

d)

a circuit

141.

How many light bulbs would be ON if the wire of this circuit was cut where the scissors are?

a)

1

b)

3

c)

2

d)

0