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Science Review

Total questions: 103

Worksheet time: 2hrs 43mins

Name
Class
Date
1.
 Biomass, petroleum, natural gas, propane, and coal are examples.
a)
Chemical Energy
b)
Radiant Energy
c)
Stored Mechanical Energy
d)
Gravitational Energy
2.
Stored energy 
a)
Thermal Energy
b)
Stored Mechanical Energy
c)
Kinetic Energy
d)
Potential Energy
3.
Wind and hydropower are examples.
a)
Chemical Energy
b)
Gravitational Energy
c)
Mechanical Energy
d)
Sound Energy
4.
 Solar energy is an example.
a)
Sound Energy
b)
Thermal Energy
c)
Radiant Energy
d)
Gravitational Energy
5.
Movement of electrons. 
a)
Nuclear Energy
b)
Radiant Energy
c)
Mechanical Energy
d)
Electrical Energy
6.
All energy transformations end in 
a)
electricity.
b)
thermal.
c)
mechanical.
d)
chemical. 
7.
The movement of thermal energy from a warmer object to a cooler object is called:
a)
heat
b)
temperature
c)
motion
d)
momentum
8.
Heat transfer occurs:
a)
in many directions
b)
both from warm objects to colder ones and from cold objects to warmer ones
c)
only from warm objects to colder ones
d)
only from cold objects to warmer ones
9.
A measure of the average kinetic energy of the individual particles in an object is called:
a)
thermal energy
b)
conduction
c)
convection
d)
temperature
10.
When you touch something that feels cold, 
a)
heat from your hand moves into the cold substance.
b)
coldness moves from the cold substance into your hand.
c)
it melts.
d)
it freezes.
11.
The temperature of a substance increases as___.
a)
the substance expands
b)
the average kinetic energy of its particles increases
c)
the substance's volume increases
d)
the substance's mass increases
12.
The ability to do work or cause change
a)
speed
b)
job
c)
transfer
d)
energy
13.
A change from one form of energy into another is called
a)
work
b)
energy transformation
c)
energy increase
d)
conservation of energy
14.
What does absolute zero mean?
a)
A failed quiz.
b)
The lowest temperature possible.
c)
The hottest temperature possible.
d)
A race.
15.
The law of conservation of energy states that
a)
no energy is destroyed
b)
energy can be destroyed
c)
energy is created
d)
some amount of energy cannot be accounted for
16.
The more particles an object has at a given temperature,
a)
the higher the temperature
b)
the more thermal energy it has
c)
the more degrees it has 
d)
the more Kelvins it has
17.
You're holding hands with your best friend.  Your friend's hands are REALLY warm and yours are really cold.  After a few minutes, this has changed.  How might you explain what happened?
a)
The cold energy from your hand transferred to your friend's hand through conduction.
b)
The heat energy from your friend's hand transferred to your hand through conduction. 
c)
The cold energy from your hand transferred to your friend's hand through convection.
d)
The heat energy from your friend's hand transferred to your hand through convection.
18.
LT3: If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________
a)
one reaches a temperature of zero
b)
they both have an equal temperature
c)
one runs out of energy
19.
When a popsicle melts, the particles  _____.
a)
gain thermal energy and speed up
b)
there are no particles in popsicles
c)
lose thermal energy and slow down
d)
stay the same
20.
Observe the diagram. Which statement is true about the kinetic energy of the molecules in the containers?
a)
The molecules are moving faster in Diagram A
b)
The molecules are moving slower in Diagram A
c)
The molecules are moving at the same rate in both diagrams
21.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
22.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
23.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
24.
Energy can not be created or destroyed, only converted from one form to another.
a)
true
b)
false
25.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
26.
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
a)
thermal to light
b)
gravitational to potential
c)
radiant to electrical
d)
chemical to light
27.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
28.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
29.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
30.
Energy stored in food and fuels
a)
Gravitational potential energy
b)
Chemical Potential Energy
c)
Elastic Potential Energy
d)
Energy
31.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
32.
Which of the following is the smallest unit of life that can carry out all life functions?
a)
the mitochondria
b)
the vacuoles
c)
the nucleus
d)
the cell
33.
Which structures are found in every living cell?
a)
cell membrane and cytoplasm
b)
chloroplasts and mitochondria
c)
a cell wall and nucleus
d)
chloroplasts and cell wall
34.
Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do.  What is the main function of the chloroplasts found in plant cells?
a)
to absorb light energy and manufacture food
b)
to remove waste materials by active transport
c)
to manufacture chemical energy from food
d)
to control the shape of the cell
35.
All cells need energy to function.  Which cell organelle is responsible for producing energy in the cell?
a)
chloroplasts
b)
mitochondria
c)
nucleus
d)
vacuoles
36.
What is the function of a cell wall?
a)
to protect and support the cell
b)
to perform different functions in each cell
c)
to prevent water from passing through it
d)
to prevent oxygen from entering the cell
37.
Cells with a nucleus and membrane-bound organelles are called ____________________.
a)
prokaryotes
b)
eukaryotes
c)
bacteria
d)
protists
38.
Which of the following is not part of the cell theory?
a)
cells must contain DNA 
b)
all living things are made from cells
c)
cells can only come from other cells
d)
cells are the basic unit of life
39.
Who was the first  person to see cells under the microscope and give them their name?
a)
Mattias Schleiden
b)
Robert Hooke
c)
Theordor Schwann
d)
Anton van Leeuwenhoek
40.
Which organism do the owl and the weasel compete for in the food web?
a)
Hawk
b)
Spider
c)
Grasshopper
d)
Shrew
41.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
42.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
43.
A frog eats a fly. The frog and fly are demonstrating ________.
a)
mutualism
b)
competition
c)
predator/prey
d)
parasitism
44.
All of the living AND non-living things in an particular area is called a(n):
a)
ecosystem
b)
house
c)
community
d)
mountain
45.
Which of the following best describes the deer's role in the ecosystem?
a)
herbivore
b)
omnivore
c)
carnivore
d)
decomposer
46.
Bacteria and fungi typically serve what role in an ecosystem?
a)
herbivore
b)
carnivore
c)
omnivore
d)
decomposer
47.
A connection of food chains with many food energy paths in an ecosystem is a ____________.
a)
ecosystem
b)
food web
c)
environment
d)
population
48.
The diagram is intended to show relationships in an ecosystem. What do the arrows represent?
a)
The direction of population migration
b)
Differences in dietary habits
c)
Progressively smaller organisms
d)
The direction of the energy flow
49.
What does a food chain represent?
a)
How all living organisms within a habitat are connected.
b)
All of the things that a particular animal eats.
c)
How plants create their own food.
d)
A single path of energy transfer within a habitat.
50.
Which of the following would have a negative impact on an ecosystem
a)
constructing highways
b)
planting trees
c)
recycling paper
51.
How does a bird interact with the living things in an ecosystem?
a)
It builds nests out of twigs.
b)
It eats worms and insects.
c)
It eats the bugs off of a cow's back. 
d)
All of the above.
52.
What the non-living factor that is the most important to an ecosystem to work?
a)
Water
b)
The sun's energy
c)
Plants 
d)
animals
53.
Do living things stay the way they are when they are first born?
a)
Almost Never if they don't need to grow.
b)
Sometimes if they have to grow.
c)
Yes because they don't have to grow.
d)
No, all organisms have to grow in some way.
54.
Is water a living or non-living thing?
a)
Niether
b)
Living
c)
Non-living
d)
Tbh I really don't even know anymore...
55.
Which one of the following is considered a living thing?
a)
A clock
b)
A tree
c)
A brick
d)
A computer
56.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
57.
What is a herbivore?
a)
an animal that gets energy from eating other animals
b)
an organism that gets energy from eating only plants
c)
an animal that gets energy by eating both plants and other animals
58.
What is an Autotroph?
a)
An organism that can make its own food.
b)
An organism that cannot make its own food.
c)
An organism that can drive an automobile.
d)
An organism that cannot reproduce.
59.
Autotroph or heterotroph?
a)
Autotroph
b)
Heterotroph
60.
Why don't most parasites kill their hosts immediately?
a)
The host benefits by keeping the parasites alive.
b)
The host is able to fight off the invading parasites.
c)
The parasites help the host before killing it.
d)
The parasites would no longer have a food supply if the host died.
61.
What is Parasitism?
a)
A relationship between two species in which both species benefit
b)
A relationship between two organisms of different species where one benefits and the other is neither harmed nor benefited
c)
A relationship between two organisms of different species where one benefits and the other is harmed
d)
An animal that hunts other animals for food
62.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
63.
If the grasshopper were to be removed completely from the food web, what organism would be most effected?
a)
The squirrel
b)
The shrew
c)
The deer
d)
The rabbit
64.
Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?
a)
Frog, Dragon Fly and snake
b)
Frog, trout and dragon fly
c)
Frog, salamander and trout
d)
Frog and phytoplankton
65.
Use the diagram to answer the question.
The trout is a source of food for the human and the eagle. When there are more than one organism vying for the same source we call this____?
a)
Population
b)
Resources
c)
Community
d)
Competition
66.
A relationship in which two organisms benefit from the actions of each other.
a)
sharingism
b)
mutualism
c)
parasitism
d)
commensalism
67.
A relationship in which one organism benefits and the other is unaffected.
a)
mutualism
b)
parisitism
c)
symbiosis
d)
commensalism
68.
Which direction will the heat flow while this person holds a hot cup of tea?
a)
from the cup to her hand
b)
from her hand to the cup
c)
no heat is transferred
69.
Which direction will the heat flow while this ice cap melts?
a)
there is no heat transfer
b)
from the icecap to the water
c)
from the water to the icecap
70.
In this experiment, the WARM red dye and the COLD blue dye was placed in the water at the same time. The warm red dye rose to the top while the cold blue dye sank to the bottom.
a)
conduction
b)
convection
c)
radiation
71.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
72.
Poor conductors like wood and plastic are called:
a)
conductors
b)
insulators
c)
burners
73.
Which is the best choice for the handle of a frying pan?
a)
Metal, because it conducts heat.
b)
Wood, because it conducts heat.
c)
Metal, because it does not conduct heat.
d)
Wood, because it does not conduct heat.
74.
Near the ceiling of a room the air is warmer.  The warm air rises because of
a)
conduction
b)
convection
c)
radiation
75.
Jill notices that her skin gets burned when she sits out in the sun. What best explains why this happens?
a)
The soil is convecting heat into the air.
b)
The heat from the sun is being conducted to the Earth.
c)
The heat from the sun is radiating down to Earth’s surface.
76.
Which is the best example of heat transfer by convection?
a)
frying bacon in a pan
b)
sea breeze at the beach
c)
melting ice in your hand
d)
burning your finger on the stove
77.
Which best explains why a hot air balloon floats?
a)
The heated air expands to fill the balloon. The air in the balloon is now lighter than the surrounding air, causing the balloon to rise.
b)
The heated air expands to fill the balloon. The air in the balloon is now heavier than the surrounding air, causing the balloon to rise.
c)
The heated air contracts to fill the balloon. The air in the balloon is now denser than the surrounding air, causing the balloon to rise.
d)
The heated air contracts to fill the balloon. The air in the balloon is now lighter than the surrounding air, causing the balloon to rise.
78.
Jackson likes to cook but is always in a hurry. He needs a pot that will cook his food quickly. Which is the best material for his cooking pot?
a)
copper
b)
glass
c)
plastic
d)
wood
79.
a type of matter that can be found on earth as a solid, liquid, and gas
a)
gold
b)
water
c)
oxygen
d)
rock
80.
Which of the following is a part of the water cycle?
a)
evaporation
b)
condensation
c)
precipitation
d)
all of the above
81.
What causes a change in the state of matter?
a)
physical properties
b)
chemical energy
c)
temperature
82.
Which term means "the ability to cause change?"
a)
Matter
b)
Heat
c)
Energy
d)
physical change
83.
Adding HEAT to matter causes its particles to:
a)
move faster and farther apart
b)
Move slower and farther apart
c)
Move faster and closer together
d)
Move slower and closer together
84.
The smallest, negatively charged subatomic particle is the 
a)
neutron 
b)
electron
c)
proton
d)
nucleus
85.
The smallest particle of matter is 
a)
an atom
b)
a molecule
c)
a nucleus
d)
a proton
86.
The subatomic particles found in the nucleus are 
a)
A. protons and electrons 
b)
B. only the neutrons 
c)
C. protons and neutrons
d)
 D. neutrons and electrons 
87.
The atomic number is the same as
a)
the number of protons
b)
the number of neutrons
c)
the atomic weight
d)
the protons plus the neutrons 
88.
Elements are
a)
two or more bonded atoms 
b)
the same as molecules
c)
particles inside the nucleus
d)
one type of atom 
89.
Two or more atoms that stick together are
a)
An element
b)
A molecule
c)
Always a solid
d)
Never a gas
90.
When an ice cube melts, the resulting water
a)
Weighs less than the ice cube
b)
Weighs more than the ice cube
c)
Weighs the same as the ice cube
d)
Weighs less at first, then more than the ice cube
91.
Condensation occurs when
a)
A solid becomes a liquid
b)
A liquid becomes a solid
c)
A gas becomes a solid
d)
A gas becomes a liquid
92.
The two elements that combine to form salt are
a)
Hydrogen and chlorine
b)
Sodium and hydrogen
c)
Sodium and chlorine
d)
Chlorine and oxygen
93.
Liquids freeze when the molecules
a)
Gain energy
b)
Lose energy
c)
Combine with other elements
d)
Move faster
94.
The two elements that combine to form CO2 are
a)
Carbon and oxygen
b)
Cobalt and oxygen
c)
Cobalt and hydrogen
d)
Carbon and hydrogen
95.
A substance made of only one kind of atom is a/an.......
a)
compound
b)
atom
c)
molecule
d)
element
96.
What substance is formed when 2 or more different kinds of atoms bond to each other?
a)
element
b)
compound
c)
atom
d)
nucleus
97.
Which is an example of an element?
a)
pizza
b)
hydrogen
c)
air
d)
water
98.
Which is an example of a compound?
a)
oxygen
b)
hydrogen
c)
gold
d)
water
99.
Which of the following gases DOES NOT trap heat?
a)
carbon dioxide
b)
nitrogen
c)
water vapor
d)
methane
100.
Which of the following have been linked to climate change?  
a)
droughts
b)
flooding
c)
melting of polar ice caps
d)
all of the above
101.
Visible light reaches Earth’s surface while infrared light is trapped as heat. Which characteristic of Earth’s atmosphere causes this to happen?
a)
the hole in the ozone
b)
the greenhouse effect
c)
atmospheric pressure
d)
the inversion layer
102.
The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?
a)
lower levels of ozone in the atmosphere
b)
lower levels of nitrogen in the atmosphere
c)
higher levels of carbon dioxide in the atmosphere
d)
higher levels of oxygen in the atmosphere
103.
Which of the following is the best conclusion that can be made from this graph?
a)
atmospheric carbon dioxide levels have been decreasing since 1960
b)
Hawaii has a lot of carbon dioxide
c)
humans have been working hard to decrease carbon dioxide levels
d)
atmospheric carbon dioxide levels have increased steadily since 1960