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$200
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$500 $500
8
The following statements were taken from the procedures
of four different investigations:
The statement from which
investigation is an example of repetition?
A. Investigation 1
B. Investigation 2
C. Investigation 3
D. Investigation 4
9
D. Investigation 4
10
Keesha did an experiment to study the rate of photosynthesis in the water
plant Elodea. She placed a piece of Elodea in a beaker of water and set the
beaker 10 centimeters (cm) from a light source. Keesha counted the bubbles
released from the plant every minute for five minutes (min). She repeated the
process two more times. First, she moved the light to 20 cm from the beaker,
and then she moved the light to 30 cm from the beaker. Keesha’s setup and
data are shown below.
What is the outcome variable (dependent variable)
in this experiment?
A. the number of bubbles produced
B. the type of plant placed in the beaker
C. the amount of time the bubbles were counted
D. the distance of the light source from the plant
11
A. The number of
bubbles produced
12
A timeline of some models of atoms throughout history is shown
below. These models have contributed to the formation of the
atomic theory.
Which statement best summarizes the development of the atomic theory
over time?
A. The discovery of new evidence resulted in changes to the atomic theory.
B. Advancements in atomic models proved the atomic theory was accurate.
C. The atomic theory was modified with the discovery of every new element.
D. Changes in atomic models showed that the atomic theory was based on
opinion.
13
A.
The discovery of new evidence
resulted in changes to the atomic
theory.
14
In the 1600’s, Francisco Redi hypothesized that life could arise from
nothing, an idea called spontaneous generation. He put raw meat in two
open jars and two tightly sealed jars and observed whether new flies
(maggots) were produced in each jar.
The results proved that spontaneous generation does not occur. Flies
were only seen in the uncovered jars. Which best describes how
scientists should respond to this evidence?
A.
B.
C.
D.
Disregard the new evidence and keep the original hypothesis
Design a new experiment that will prove the hypothesis to be true
Modify the original theory based on the new evidence
Collect many opinions on whether or not to accept the new evidence
15
C. Modify the original theory
based on the new evidence
16
Julie wanted to know whether the eating behavior of goldfish is
affected by music. She set up a fish tank. Every day, Julie played
music for the fish and measured the amount of food they ate.
What is Julie missing from her experiment?
A.
B.
C.
D.
a control group
a measureable result
different types of fish
an outcome variable (dependent variable)
17
A. a control group
18
State the Law of
Conservation of Matter
19
Matter cannot be created or destroyed.
Before and after a chemical reaction,
there is the same amount of matter.
20
Living and nonliving things are made up of matter.
Which of the following statements is true about matter?
A. Nonliving and living things can be made up of
combined elements.
B. Living things are composed of carbon, hydrogen, and
oxygen only.
C. Living things are made up of elements, and nonliving
things are made up of minerals.
D. Nonliving things are composed of pure substances,
while living things are made of more complex units.
21
A. Nonliving and living things
can be made up of combined
elements.
22
The diagrams below represent two solid objects, A and B,
with different densities. If the density of corn syrup is 1.33
g/cm3, what will happen when the objects are placed in a
container of corn syrup?
A.
B.
C.
D.
Both objects will sink.
Both objects will float.
Object A will float, and object B will sink.
Object B will float, and object A will sink.
23
B. They will both float.
24
Daniella has four different metal cubes. The mass in grams (g) and the
volume in cubic centimeters (cm3) of each cube are shown below.
Which metal cube has the lowest density?
25
Aluminum
26
27
Sample A
28
Which of the following is true about a person’s weight
on the moon versus his or her weight on Earth?
A. The Moon orbits Earth at great speed, making the person only
feel lighter.
B. The Moon is more dense than Earth, therefore making one’s
weight higher than it would be on Earth.
C. One’s mass would be the same on the Moon and on Earth,
therefore the weight would be the same on both.
D. The Moon has less mass than Earth and therefore less gravity,
which makes one’s weight less on the Moon.
29
D. The Moon has less mass than Earth and
therefore less gravity, which makes one’s
weight less on the Moon.
30
Robert is hiking through the forest and writing down his
observations. He steps on a branch and it breaks into several
pieces. Which of the following best describes the resulting
properties of the branch immediately after he steps on it?
A. The density of the branch decreased, since it now takes up less
space.
B. The molecular arrangement of the branch changed as the
broken pieces changed phase.
C. The total mass of the branch pieces is the same, and only a
physical change has occurred.
D. The chemical composition of the branch changed as the
broken pieces reacted with the environment.
31
C. The total mass of the branch
pieces is the same, and only a
physical change has occurred.
32
Which of the following would cause the
gravitational attraction between two objects to
increase?
A. a decrease in their masses
B. the objects moving closer together
C. an increase in the objects’ temperatures
D. the objects moving further apart
33
B. The objects
move closer together.
34
Kelsey is performing an experiment in science class.
She mixes two liquids in a beaker, and gas bubbles
appear at the surface of the beaker. Which of the
following describes what is most likely taking place?
A. A physical change is causing a change in phase from
liquid to gas.
B. A chemical change has caused the liquids to undergo
combustion and gas is escaping.
C. A physical change is causing the solution to exhibit
different properties than the original substances.
D. A chemical change has resulted in the production of a
new substance, which is being released as a gas.
35
D. A chemical change has resulted in the
production of a new substance, which is
being released as a gas.
36
Identify the following as either a physical or chemical
change OR a physical or chemical property:
1.
2.
3.
4.
5.
Butter melting
Alcohol is flammable
Milk going sour
Baking bread in the oven
Pots and pans are made of metal because metals are
good conductors of heat.
37
1.
2.
3.
4.
5.
Physical change
Chemical property
Chemical change
Chemical change
Physical property
38
Which of the following best describes what
happens to the particles in a substance when
it is heated?
A. they speed up and spread apart, therefore increasing
temperature
B. they speed up and spread apart, therefore decreasing
temperature.
C. they slow down and get closer together, therefore
increasing temperature
D. they slow down and get closer together, therefore
decreasing temperature
39
A. they speed up and spread
apart, therefore increasing
temperature
40
Each beaker contains a sample of 30 milliliters (mL) of
water. How do the samples differ?
A.
B.
C.
D.
The volume of water in A is greater than in B.
The water molecules in B move faster than those in A.
The specific heat of the water in B is greater than in A.
The average kinetic energy of the molecules in A is
greater than in B.
41
A.The water molecules
in B move faster than
those in A.
42
Substances change states when they move
between solid, liquid and gas forms. When a
substance changes from one state of matter to
another, it has undergone:
A.
B.
C.
D.
a reduction in mass
an increase in mass
a chemical change
a physical change
43
D. a physical change
44
The diagram below compares the particles in three different
states of matter. What process causes particles in State C to
change into State B?
45
Condensation
46
The diagram below compares the particles in three different
states of matter. What rare process causes particles in State
A to change into State C?
47
Sublimation
48
Name the three subatomic
particles found inside an
atom and their electrical
charges.
49
Proton +
Electron –
Neutron Ø
50
The periodic table shows that a
carbon atom has six protons.
How many electrons does a
carbon atom have?
51
6
52
The atomic theory states that atoms cannot
be _____________, ______________, or
_______________.
53
Created, Destroyed or Divided
54
Which of the following statements best describes the
basic structure of the atom?
A. Electrons and protons are in motion around a nucleus
that contains neutrons.
B. Neutrons are in motion around a nucleus that contains
protons and electrons.
C. Protons are in motion around a nucleus that contains
electrons and neutrons.
D. Electrons are in motion around a nucleus that contains
protons and neutrons.
55
D. Electrons are in motion
around a nucleus that contains
protons and neutrons.
56
Gold (Au) is a metallic element.
The atomic number of gold is
79. Its atomic mass is 197.
How many protons
are in a gold atom?
Electrons?
Neutrons?
57
Protons 79
Electrons 79
Neutrons 118
58
The periodic table is
organized into rows, also
known as _____________
and columns, also known
as _____________.
59
Periods
Groups or Families
60
Lithium (Li), Sodium (Na), Potassium (K),
Rubidium (Rb), Cesium (Cs), and Francium
(Fr) are in the same column in the periodic
table. Why are these elements in the same
column in the periodic table?
A. They are the same size
B. They react with each other.
C. They have similar properties.
D. They have the same number of protons.
61
C. They have similar properties.
62
Name the three main
groups of elements of the
periodic table.
63
Metals, Non-metals
& Metalloids
64
Use the periodic table on the back of the book
to determine which of the following pairs of
elements would have the most similar
properties.
A.
B.
C.
D.
Hydrogen (H) and helium (He)
Sodium (Na) and potassium (K)
Nitrogen (N) and silicon (Si)
Calcium (Ca) and iron (Fe)
65
Sodium (Na) and potassium (K)
66
Name at least 3 properties
of metals.
67
Luster
Malleability
Heat Conductivity
Electrical Conductivity
Ductility
High Density
High Melting Point
68
69
70
71
72
73
74
75
76
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$200
$400
$400 $400 $400
$600 $600 $600
$200 $200
$400
$400
$600
$600 $600
$800 $800 $800 $800
$800 $800
$1000 $1000 $1000 $1000 $1000 $1000
77
Several factors can cause weather patterns in the
atmosphere. The diagram below
shows how air movement near the equator can form
thunderstorms.
Which process is the main source of this movement?
A. movement of ocean currents
B. decrease in relative humidity
C. heating by energy from the Sun
D. warming in the upper atmosphere
78
C. heating by energy from the Sun
79
The interaction between the cryosphere and
hydrosphere can have an impact on Earth’s oceans.
Which of the following is an example of an interaction
between the cryosphere and hydrosphere?
A. evaporation of water from oceans at the equator
B. release of fresh water into ocean water as icebergs melt
C. decomposition of organic matter at the bottom of oceans
D. release of large amounts of salt from icebergs into the
ocean
80
B. release of fresh water
into ocean water as icebergs melt
81
The climate of an area can be different from its
weather. Which of the following statements
describes the climate of an area?
A. There should be heavy rains tomorrow morning.
B. The rains next week are expected to cause some
flooding.
C. The average temperature from 1930–1996 was 23°C
(74°F).
D. The high temperature on September 4, 2009, was
32°C (89°F).
82
C. The average temperature from
1930–1996 was 23°C (74°F).
83
If the Earth had a much thinner
atmosphere, global temperatures
would be:
a. cooler
b. warmer
c. about the same
d. more extreme
84
D. More extreme
85
Identify the type of heat transfer occurring
at each number in the diagram.
86
1.
2.
3.
4.
Radiation
Conduction
Conduction
Convection
87
Deforestation occurs when large areas of trees
are cut down. Which of the following impacts
on the environment would result from
deforestation?
A. increased erosion
B. colder temperatures
C. decreased carbon dioxide
D. greater oxygen production
88
A. Increased erosion
89
What type of weathering is
occurring in the picture?
90
Frost wedging
or Ice wedging
91
Name the four “agents” of
erosion.
92
Water
Wing
Gravity
Glaciers
93
Explain how
sinkholes form.
94
Sinkoles form when water
that is slightly acidic seeps
into the ground and dissolves
limestone rock. Eventually, the ground
gives way and the surface sinks in.
95
Identify the following as either mechanical or chemical weathering:
1. Mosses growing on the surface of rocks produce a weak acid that
cause the rock to break down.
2. Small animals burrowing into the ground and breaking rocks.
3. Decaying plants dissolving minerals in rocks.
4. Tree roots growing large and breaking sidewalks.
5. Oxidation causes rocks to turn a reddish color and crumble.
6. Rainwater combines with pollution in the atmosphere and over a
long period of time, this acid rain wears away the features of a
statue.
96
1.
2.
3.
4.
5.
6.
Chemical
Physical
Chemical
Physical
Chemical
Chemical
97
Humans and other complex organisms have
a hierarchical system of organization.
Which of the following statements is true
regarding this system of organization?
A.
B.
C.
D.
Atoms are made of cells.
Organs are made of organ systems.
Cells are made of tissues.
Organs are made of tissues.
98
D. Organs are made of tissues.
99
Name the four major
differences between plant
cells and animal cells.
100
Plants have: cell wall, chloroplasts,
larger vacuole and rigid structure.
101
The major difference between prokaryotic and eukaryotic cells
is that
A. eukaryotic cells contain DNA and prokaryotic cells do not
B. eukaryotic cells contain a nucleus and prokaryotic cells do
not
C. prokaryotic cells contain a nucleus and eukaryotic cells do
not
D. eukaryotic cells have cell walls and prokaryotic cells have
cell membranes
102
B. Eukaryotic cells contain a nucleus
and prokaryotic cells do not
103
Name the body system that performs the
following functions:
1.
2.
3.
4.
Protects the body and fights infection.
Gives the body shape/helps it move (hint: 2 in 1)
Breaks down food
Delivers needed substances to cells, carries wastes
away from cells, regulates body temperature.
5. Collects wastes and removes them from the body
6. Receives information about what is happening inside
and outside of the body; responds to this information
7. Moves air with oxygen into your body and removes
carbon dioxide
104
1.
2.
3.
4.
5.
6.
7.
Immune
Musculoskeletal
Digestive
Circulatory
Excretory
Nervous
Respiratory
105
Identify the cell organelle that
performs the following functions:
1. Determines what comes in and out of the cell
2. Stores water and waste
3. Contains DNA, directs cell’s activities
4. Releases energy from nutrients
5. Contains chlorophyll; makes food for the plant
6. Makes protein
106
1.
2.
3.
4.
5.
6.
Cell membrane
Vacuole
Nucleus
Mitochondria
Chloroplast
Ribosome
107
Photosynthesis affects the carbon cycle by
______________.
A. creating more carbon atoms
B. reducing the amount of carbon in the soil,
therefore reducing soil fertility
C. absorbing CO2 from the atmosphere, therefore
lowering levels of carbon in the atmosphere
D. none of the above; plants to do not affect the
carbon cycle
108
C. absorbing CO2 from the
atmosphere, therefore lowering levels
of carbon in the atmosphere
109
Decomposers such as fungi and bacteria affect
the carbon cycle by ______________.
A. consuming carbon, therefore reducing the total
amount of carbon that exists in the cycle
B. releasing carbon into the atmosphere and
returning carbon to the soil
C. creating carbon from other elements (such as
oxygen)
D. none of the above; decomposers do not affect
the carbon cycle
110
B. releasing carbon into the atmosphere and
returning carbon to the soil
111
How do animals obtain nitrogen?
A.
B.
C.
D.
By breathing it in
By drinking water
By eating plants
By producing it naturally in their
digestive systems
112
C. By eating plants
113
Kristine is on the basketball team at school. The process of
cellular respiration makes it possible for Kristine to run
around the court and play with her team. What do her cells
do during cellular respiration?
A. They use the energy found in the nucleus of the cell to
make food.
B. They make new energy in the mitochondria that is then
transported around the cell and to the body.
C. They break down the glucose in food and then, using
oxygen, they release energy.
D. They use the energy from the Sun to make glucose, which
is then released as
energy.
114
C. They break down the glucose in food
and then, using oxygen, they release
energy.
115
Description
Releases energy from food
Makes food energy for the organism
Performed by autotrophs (animals)
Performed by heterotrophs (plants)
Decide whether the
following processes
describes
photosynthesis or
cellular respiration.
Produces carbon dioxide
Produces glucose and oxygen
Involves chemical reactions
Occurs in the mitochondrion
Occurs in the chloroplast
Uses glucose and oxygen
Uses sunlight, water and carbon dioxide
Occurs in both plants and animals
Requires chlorophyll
116
Teacher will provide answers
117
What occurs in the Earth’s
mantle that causes plate
tectonic motion?
118
Convection currents
119
120
M. Igneous to Sediments
121
What is the name of the
process occurring at point
A?
122
Subduction
123
1. Classify the boundaries B and C as either
convergent or divergent.
2. Explain the process occurring at point A.
124
1.
B. Divergent
C. Convergent
2. Sea floor spreading- oceanic plates
spread apart
and magma rises up causing new
ocean floor to form.
125
1. Give one result (effect) of the plate motion
occurring at point A and point C.
2. If the boundary shown at A occurred on land
instead of the ocean floor, what would be the longterm result?
126
1. A. New ocean floor, earthquakes
B. Volcanic mountain ranges,
earthquakes
2. Rift valley
127
An object moves through space with balanced forces acting
on it. Which statement best describes the speed and
direction of the object as long as the forces acting on it
remain balanced?
A. The speed and direction of the object will both change.
B. The speed and direction of the object will remain constant.
C. The speed will change, but the direction will remain
constant.
D. The speed will remain constant, but the direction will
change.
128
B. The speed and direction
of the object will remain
constant.
129
Sunlight is composed of energy that is visible to
humans and energy that is not visible to
humans. Which of the following statement
describes how the visible light energy from the
Sun is different from the nonvisible energy, for
example, x-ray?
A. It travels at a different speed through space.
B. It travels a different distance through space.
C. It has different wavelengths.
D. It has different amplitudes.
130
C. It has different wavelengths.
131
The diagram below demonstrates how a
magnifying lens can make a penny appear
larger. What property of the magnifying lens is
most responsible for allowing it to magnify the
penny?
A. It can reflect light.
B. It can refract light.
C. It can increase the intensity of light.
D. It can increase the wavelength of light.
132
B. It can refract light.
133
Describe the energy transformation that occurs between:
1. The battery and the paper clips
2. The paper clips and the copper wire.
134
1. Chemical to electrical
2. Electrical to Mechanical
135
136
G
137
138