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Fall Final Practice Test

Total questions: 135

Worksheet time: 4hrs 34mins

Name
Class
Date
1.
An experiment is conducted to test how different cleats change an athletes running speed.  Six different types of cleats are tested and the 100m run time is recorded.  What is the independent variable?
a)
The type of cleat
b)
The run time
c)
The 100 meters
d)
The athlete
2.
A test is set up to test which brand of soda creates the biggest foam explosion when adding a Mentos candy.  Three different sodas were tested. They measured the height of the foam eruption.   What is the dependent variable?
a)
Brand of soda
b)
Number of mentos candies used
c)
Height of foam eruption
d)
Temperature of soda
3.
A student wants to test the effects of different types of exercise on heart rate.  What is the dependent variable?
a)
heart rate
b)
type of exercise
c)
amount of exercise
d)
time of day exercise occurs
4.
Research Question: Does the type of gasoline put in a car effect how fast the car can drive? What is the independent variable?
a)
Type of gasoline
b)
which car the gas is put into
c)
how fast the car can drive
d)
how much gas is put into the car
5.
This variable is the actual data collected during the experiment. 
a)
independent variable
b)
dependent variable
c)
control group
d)
data group
6.
This variable in an experiment is the one being deliberately changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
7.
Things that stay the same throughout the whole experiment are called
a)
controls
b)
dependent variables
c)
independent variables
d)
constants
8.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
9.
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
10.
A testable explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
11.

Which of the following questions would be an appropriate scientific question that could be tested by experimentation?

a)

Which is better, Marvel or DC?

b)

Are sloth's better pets than walruses?

c)

Who is the better rapper, Dr. Shininger or Mr. Roth?

d)

Does petting a furry animal lower a person's heart rate?

12.

What is a statement that describes things that happen in nature?

a)

Scientific Theory

b)

Scientific Law

c)

Scientific Hypothesis

d)

Scientific Calculator

13.

An explanation for something that is backed up with multiple experiments and observations is called what?

a)

Scientific Theory

b)

Scientific Law

c)

Scientific Hypothesis

d)

Scientific American

14.
How many total people took the survey?
a)
50
b)
150
c)
100
d)
200
15.
What was the total amount of candy sold during the school year shown in the graph?
a)
43
b)
35.5
c)
23
d)
27.5
16.
In August, how many metric tons did Clark's Paper Mill and Tyler Paper Mill produce all together?
a)
10
b)
70
c)
80
d)
90
17.
Which country doubled the amount of aid their received between 1965 and 1975?
a)
Egypt
b)
Tunisia
c)
Pakistan
d)
None of them
18.
Acceleration occurs when an object changes its speed or ______.
a)
direction
b)
force
c)
inertia
d)
mass
19.
Which runner stopped for a rest?
a)
Albert
b)
Bob
c)
Charlie
20.
Which runner won the race?
a)
Albert
b)
Bob
c)
Charlie
21.
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
22.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
23.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
24.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
25.

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.

26.

What is happening between 3 seconds and 4 seconds?

a)

The object is moving in a negative direction.

b)

The object is returning to its starting position.

c)

The object is slowing to a stop.

d)

The object is changing direction.

27.
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
28.
Which runner had a head start?
a)
A
b)
B
c)
C
29.
 Every morning, Tom walks along a straight road from his home to the bus stop. Below, is a graph representing Tom’s trip to school.
- What is the distance covered through the second segment, which is between 50 seconds, and 70 seconds?
a)
40 meters
b)
60 meters
c)
80 meters
d)
20 meters
30.
Which graph shows the object standing still?
a)
A
b)
B
c)
C
d)
D
31.

What is this line of this graph showing?

a)

moving away from starting point at a constant speed

b)

moving back towards the starting point at a constant speed

c)

acceleration (getting faster)

d)

deceleration (getting slower)

32.
Which graph is showing acceleration (getting faster)
a)
D
b)
E
c)
both D and E
d)
neither D or E
33.
Which graph is showing deceleration (getting slower)
a)
D
b)
E
c)
both D and E
d)
neither D or E
34.
Which graph is showing a faster constant speed?
a)
B
b)
F
c)
They show the same speed
35.
How long did it take this object to travel 10 m?
a)
0 s
b)
10 s
c)
15 s
d)
20 s
36.
At 60 seconds, how far had this object traveled? 
a)
0 m
b)
10 m
c)
20 m
d)
40 m
37.
What is the speed this motion?
a)
constant speed
b)
not moving
c)
speed increasing
d)
speed increasing at a constant rate
38.

What happened during A to B point?

a)

not moving

b)

increasing speed at a constant rate

c)

moving at a constant speed

d)

acceleration

39.
What happened during C to D point?
a)
not moving
b)
increasing speed at a constant rate
c)
moving at a constant speed
d)
moving at 0 m/s2 acceleration
40.

What happened during E to F point?

a)

not moving

b)

increasing speed at a constant rate

c)

constant speed

d)

acceleration

41.

What happened during B to C point?

a)

deceleration

b)

constant speed

c)

at rest

d)

acceleration

42.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
43.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
44.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
45.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
46.

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

a)

balanced

b)

unbalanced

47.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
48.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
49.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
50.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
51.

For every action there is an equal and opposite reaction. Which law?

a)

1st

b)

2nd

c)

3rd

52.

A big boulder requires more force to move than a small rock. Which newtons law applies here

a)

1st

b)

2nd

c)

3rd

d)

no laws apply

53.

The motion of an object depends on the amount of force acting on it. Which law

a)

1st

b)

2nd

c)

3rd

54.

The driving force that keeps an object in motion can be defined as:

a)

gravity

b)

friction

c)

inertia

d)

newtons

55.

When you jump on a diving board. You push down on the board and the board pushes you up. Which law applies

a)

1st

b)

2nd

c)

3rd

d)

no law applies

56.

Without air resistance objects drop,

a)

at the same time

b)

faster depending on mass

c)

depends on the object

d)

there will be no gravity

57.
Which one is balanced?
a)
top
b)
bottom
c)
both
58.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
59.
Conduction can only occur between two objects when –
a)
one object is less dense than the other.
b)
both objects are in physical contact with each other.
c)
one of the objects is made of a metal.
d)
both objects are exactly the same temperature.
60.
Radiation is a method of thermal energy transfer that moves -
a)
through empty space.
b)
when objects touch.
c)
only through solids.
d)
in the motion of fluids.
61.
Where would energy transfer by conduction move downward, from a higher block to a lower block?
a)
Sample 2 to Sample 4
b)
Sample 1 to Sample 2
c)
Sample 3 to Sample 4
d)
Sample 1 to Sample 3
62.
Heat transfer in boiling water.
a)
Conduction
b)
Convection
c)
Radiation
63.
On a cold rainy day a baby is touching a cold window.  It feels so cold. Which way is the heat moving moving? 
a)
Cold is moving from the window to the hand.
b)
Heat is moving from the hand to the window.
c)
Heat doesn't move.
d)
It moves in currents
64.
When you use a microwave, what is the main way that heat is transferred?
a)
Convection
b)
Conduction
c)
Radiation
65.
The Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?
a)
conduction
b)
convection
c)
radiation
d)
insulation 
66.
The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
67.

Everything has thermal energy

a)

False

b)

True

68.

Thermal energy is the __________ _________ energy of moving particles

a)

total potential

b)

average potential

c)

average kinetic

d)

total kinetic

69.

Temperature is the __________ _________ energy of moving particles

a)

average potential

b)

average kinetic

c)

total potential

d)

total kinetic

70.

Hot things have ____________ thermal energy than cold things

a)

more

b)

less

c)

same

d)

potato

71.

Objects with MORE MASS have______________

a)

lower potential energy

b)

lower number of atoms

c)

higher thermal energy

d)

higher temperature

72.

For objects that have the SAME mass, which object will have a HIGHER thermal energy?

a)

the object with the higher temperature

b)

the object with the lower temperature

c)

the objects will have the same temperature

d)

the objects have no temperature

73.

Which will have the HIGHEST thermal energy?

a)

Hot cup of tea

b)

Cold bathtub water

c)

Huge lake

d)

Warm bowl of soup

74.

Energy is the ability to do __________

a)

bonds

b)

work

c)

atoms

d)

molecules

75.
Which material is the best conductor of heat?
a)
glass
b)
styrofoam
c)
metal
d)
wood
76.
What materials would be good insulators for a handle on a pan or pot that would be used on the stove?
a)
wood or plastic
b)
metal or rubber
c)
wood or rubber
d)
copper or steel
77.
Heat moves easily through materials called ____
a)
Conductors
b)
Insulators
78.

A cooking smoker, used to cook meats, works by allowing the warm air filled with smoke to rise to the meat, while the cooler air sinks closer to the fire. What type of heat transfer is responsible for smoking the meat?

a)

Electrical

b)

Radiation

c)

Convection

d)

Conduction

79.

A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?

a)

The chemical energy stored in the match changed to thermal energy and light energy.

b)

The thermal energy stored in the match changed to light energy and chemical energy.

c)

The light energy and thermal energy stored in the match changed to mechanical energy.

d)

The light energy and thermal energy stored in the match changed to chemical energy.

80.
A jacket is a good example of an . . .
a)
Insulator
b)
Investigator
c)
Insider
d)
Interrogator
81.
Which of the following containers of sand has atoms/molecules with the greatest average kinetic energy?  
a)
1 kg at 20oC
b)
2 kg at 20oC
c)
4 kg at 20oC
d)
none has a greater amount because all have the same average kinetic energy
82.
Which was the most effective at preventing heat transfer from the water to the environment?
a)
Container P
b)
Container Q
c)
Container R
d)
Container S
83.

Which of these is an example of a heat mover?

a)

Lawnmower Engine

b)

Lava Lamp

c)

Refrigerator

d)

Laser Gun

84.

Which insulator would be the best at insulating?

a)

R-10

b)

R-14

c)

R-25

d)

They are all the same

85.

This is another word for burning something.

a)

Combustion

b)

Conflation

c)

Convection

d)

Conduction

86.

A heating system that works by moving energy from lower temperature (usually outside) to higher temperature (usually inside)

a)

Forced Air

b)

Steam Radiators

c)

Electric Radiators

d)

Heat Pump (Heat Mover)

87.
What characteristic do all renewable resources share?
a)
Produced by waste products
b)
Form underground from dead organisms.
c)
Replaced in a short period of time
d)
Allow energy to pass through them easily
88.
Which of the following is a fossil fuel?
a)
Wind
b)
Coal
c)
Solar
d)
Biomass
89.
 Energy from the sun is known as......... 
a)
hydroelectric energy
b)
geothermal energy
c)
solar energy
d)
wind energy
90.
The energy resource that is most affected by change in weather is_____________?
a)
geothermal 
b)
wind
c)
nuclear
d)
natural gas
91.
The cleanest burning fossil fuel is ______.
a)
coal
b)
oil
c)
wind
d)
natural gas
92.
Which of the following is a nonrenewable resource?
a)
milk
b)
coal
c)
biomass
d)
water
93.
Fossil fuels are classified as nonrenewable because they.......
a)
require expensive equipment
b)
take millions of years to replace
c)
can be found all over 
d)
provide all the energy we use
94.
What are two advantages of geothermal energy?
a)
cheap and a lot pollution
b)
expensive and a lot of pollution
c)
cheap and little pollution
d)
expensive and little pollution
95.
Coal is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
96.
Solar Power is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
97.
Natural Gas is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
98.
Oil is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
99.
Geothermal Power is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
100.
Wind is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
101.
Some power plants pump water down deep holes into hot rock. The hot rock heats the water, which turns the water into steam. The steam rushes back to Earth’s surface and is used to make electricity. This plant is generating which alternative energy resource?
a)
biomass
b)
wind
c)
solar energy
d)
geothermal energy
102.
Biomass
a)
Renewable
b)
Nonrenewable
103.
Nuclear
a)
Renewable
b)
Nonrenewable
104.

Use the diagram to put the steps below in the correct order to describe how electrical energy is generated in an electrical power plant.

  1. Electricity is generated.
  2. Magnet spins between wire coils.
  3. Water is heated and changes to steam.
  4. Steam makes turbine spin.
  5. Fossil fuel is burned.
a)

Steps 1, 3, 4, 2, then 5.

b)

Steps 5, 2, 4, 3, then 1.

c)

Steps 5, 3, 4, 2, then 1.

d)

Steps 1, 2, 4, 3, then 5.

105.
What are the 3 main fossil fuels?
a)
Coal, Oil, and Gasoline
b)
Coal, Oil, and Natural Gas
c)
Electricity, Gasoline, Petroleum
d)
Coal, Oil, Non-renewable Resources
106.
This particle determines what element you have - the elements identity.
a)
electron
b)
proton
c)
neutron
d)
valence shell
107.
Which particles make up the nucleus of an atom?
a)
protons and neutrons
b)
electrons and protons
c)
electrons, protons, and neutrons
d)
electrons and neutrons
108.

An isotope of an element has the same number of _________, but a different number of _________.

a)

Protons, electrons

b)

Protons, neutrons

c)

Electrons, neutrons

d)

Neutrons, protons

109.
What makes something radioactive?
a)
elements with an atomic number above 81
b)
an unstable nucleus
c)
contaminated sewage
d)
It decays over time
110.
_______________ is the process by which unstable atoms emit radiation until they become stable.
a)
Radiation
b)
Chemical Reaction
c)
Radioactive Decay
d)
Isotopes
111.
In order of most to least penetrating radiation we have
a)
Alpha , Beta,  Gamma
b)
Beta , Gamma , Alpha
c)
Gamma, Beta, Alpha
d)
Gamma, Alpha, Beta
112.
Negatively charged particles emitted from a nucleus at a high speed are ____ .
a)
protons
b)
neutrons
c)
electrons
d)
protons and neutrons
113.

Which type of radiation releases an electron?

a)

Alpha radiation

b)

Beta radiation

c)

Gamma radiation

d)

Theta radiation

114.

What particle is released when an unstable isotope undergoes alpha radiation?

a)

a helium nucleus

b)

an electron

c)

a photon of light

d)

a neutron

115.
Name the instrument used to detect radioactivity.
a)
voltmeter
b)
ohmeter
c)
seismograph
d)
geiger counter
116.
What type of radiation can be stopped by a piece of paper?
a)
Alpha radiation
b)
Beta radiation
c)
Gamma radiation
117.
What type of radiation can be stopped by a 5 mm piece of aluminium?
a)
Alpha radiation
b)
Beta radiation
c)
gamma radiation
118.
Negatively charged particles emitted from a nucleus at a high speed are ____.  
a)
alpha particle
b)
gamma rays
c)
beta particles
d)
X rays
119.
Two atoms of the same element but with different mass numbers are called________
a)
electrons
b)
isotopes
c)
ions
d)
reaction partners
120.
This process requires a radioactive fuel source, usually Uranium 235 or Polonium 239
a)
Fusion
b)
Chain Reaction
c)
Fission
121.
When small nuclei combine to produce a nucleus of greater mass
a)
Fusion
b)
Fission
c)
Chain Reaction
122.
Why does the atomic number increase during beta decay?
a)
A neutron turns into a proton
b)
A proton turns into a neutron
123.

The force that holds neutrons and protons together in the nucleus is known as the:

a)

weak nuclear force

b)

hydrogen bonding

c)

strong nuclear force

d)

electronegative force

124.

You have 20 grams of uranium that has a half-life of 2 seconds, how much will be left after 4 seconds?

a)

5 grams

b)

2 seconds

c)

6 grams

d)

8 grams

125.

You have 55 grams of Bromine with a half-life of 3.3 seconds. Mass after 3 half lives?

a)

55 grams

b)

6.875 grams

c)

13.75 grams

d)

27.5 grams

126.

Which element is normally produced as a result of a fusion reaction?

a)

Hydrogen

b)

Helium

c)

Krypton

d)

Uranium

127.

Which element is likely to be produced by a nuclear Fission Reaction?

a)

Hydrogen

b)

Helium

c)

Krypton

d)

Uranium

128.

How is radiation used in medicine?

a)

Radioactive Tracers help with diagnosese

b)

Radiation can help kill cancer cells

c)

Radioactive Markers can help track digestion

d)

We don't use radiation in medicine

129.

Select possible sources of background radiation.

a)

The food we eat

b)

Building Materials

c)

Solar Radiation (Cosmic Rays)

d)

Happy Thoughts

130.

Which of the following is NOT something you could use carbon dating on?

a)

Something under 5,000 years old

b)

Plant Material

c)

Animal Remains (bone etc)

d)

Something over 50,000 years old

131.

Which of the following is the only one that COULD be carbon dated?

a)

Petrified (Fossilized) Wood

b)

Fossilized Bone

c)

Very Small Rocks

d)

Cloth from the Roman Empire

132.

Why is Hydrogen Fusion not a usable source of Energy?

a)

We can't do Hydrogen Fusion in a controlled fashion

b)

Hydrogen can't go through fusion, its Uranium that does Fusion

c)

It costs more energy to control it than we get out for a Net Loss

d)

Hydrogen Fusion doesn't produce very much energy

133.

If I start out with a 40 kg sample of a radioactive element with a half life of 30 years, how much is left after 120 years?

a)

10 kg

b)

1.25 kg

c)

5 kg

d)

2.5 kg

134.

If I started with an 80 kg sample of radioactive material, with a half life of 25 years, and ended up with 1.25 kg, how old is my sample?

a)

6 years old

b)

150 years old

c)

125 years old

d)

300 years old

135.

I think this review ___________.

a)

Was too short

b)

Could have been a bit longer

c)

Could have been a lot longer

d)

Seemed to have covered an ENTIRE semesters worth of material.....

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