Transcript EOG Review

Students will need a calculator and a
periodic table!
EOG Review
Science
th
8
grade
An atom is composed of protons,
electrons, and neutrons. What is the
electric charge on the proton?
1.
2.
3.
4.
0
-1
+1
+2
0%
1
2
3
4
The organelle that is responsible for
making glucose is the ____
1.
2.
3.
4.
Mitochondria
Chloroplast
Ribosome
Lysosome
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1
0%
0%
2
3
0%
4
A rock has a mass of 230 grams. It is
placed into a graduated cylinder that
originally has 50mL of water in it. The
volume now reads 63mL. What is the
object’s density?
1.
2.
3.
4.
2990 g/mL
4.60 g/mL
3.65 g/mL
17.7 g/mL
0%
1
2
3
4
The cellular process that breaks down
glucose to produce energy is______
1.
2.
3.
4.
Respiration
Photosynthesis
Mitochondria
Chloroplast
0%
1
0%
0%
2
3
0%
4
If table salt (NaCl) is the product of the
reaction between pure Sodium (Na) and
Chlorine gas (Cl2), which balanced
chemical formula represents this reaction?
1.
2.
3.
4.
2NaCl  2Na + Cl2
NaCl  Na + Cl2
2Na + Cl2  2NaCl
Na + Cl2  NaCl
0%
1
0%
0%
2
3
0%
4
Which of the following is not one of the
statements of the Cell Theory?
1.
All living things are made
up of one or more cells.
2. Cells perform basic life
functions.
3. Cells come from other
living cells.
4. All cells are capable of
making glucose.
0%
1
2
3
4
The atomic number of Carbon-13 (+2)
is 6. How many electrons does this
atom have?
1.
2.
3.
4.
6
8
7
4
0%
1
0%
0%
2
3
0%
4
1.
2.
3.
4.
Most cells obtain water through
which process?
Diffusion
Osmosis
Exocytosis
Active transport
0%
1
2
3
4
A substance that is made up of two
or more elements is called ____
1.
2.
3.
4.
An element
A compound
A mixture
A solution
0%
1
0%
0%
2
3
0%
4
Which of the following is produced as
a result of respiration?
1.
2.
3.
4.
Glucose
Oxygen
Energy
Water
0%
1
0%
0%
2
3
0%
4
A wooden block has a density of 2.4
g/cm3. If the block has a length of 2cm, a
height of 1.1cm and a width of 4cm, what
is the wooden block’s mass?
1.
2.
3.
4.
21.12 g
19.20 g
0.27 g
3.67 g
0%
1
2
3
4
Which of the following is not one of
the main layers of the Earth?
1.
2.
3.
4.
Core
Lithosphere
Crust
Mantle
0%
1
0%
0%
2
3
0%
4
Hillary goes to the doctor for a routine
check-up and is surprised to find out that she
has the varicella virus in her blood. Because
she has not exhibited any symptoms of this
disease, Hillary is considered to be ____
1.
2.
3.
4.
A vector
A carrier
Quarantined
Not contagious
0%
1
2
3
4
Animal cells and plant cells differ
because animal cells ____
1. Have mitochondria, and
plant cells do not.
2. Have chloroplasts, and
plant cells do not.
3. Have lysosomes, and
plant cells do not.
4. Have cell walls, and plant
cells do not.
0%
1
0%
0%
2
3
0%
4
Which of the following organelles is
responsible for providing the cell with
glucose?
1.
2.
3.
4.
Mitochondria
Photosynthesis
Chloroplast
Respiration
0%
1
2
3
4
If an irregular shaped object has a
volume of 22cm3 and a mass of 18.6 g,
what is the object’s density?
0%
0%
0%
0%
1.
2.
3.
4.
0.845 g/cm3
1.18 g/cm3
409.2 g/cm3
3.40 g/cm3
1.
2.
3.
4.
Which layer of the Earth has the
highest density?
Crust
Mantle
Core
Asthenosphere
0%
1
2
3
4
Mary noticed that plants grew taller in her sunny front
yard than in her shady backyard. She decides to perform
an experiment that tests the amount of light and its effect
on plant growth. Which of the following would be the
best hypothesis for her experiment?
1.
2.
3.
4.
If you increase the amount of light that
a plant is exposed to, then the plant will
grow less.
If you decrease the amount of light
that a plant is exposed to, then the
plant will grow more.
If you increase the amount of light that
a plant is exposed to, then the plant will
grow more.
If you increase the amount of water
that a plant is given, then the plant will
grow more.
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1
0%
0%
2
3
0%
4
Tectonic plates make up which of the
following layers of the Earth?
1. The crust only
2. The mantle only
3. The crust and the
top portion of the
mantle
4. The top portion of
the mantle and all
of the core
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1
0%
0%
2
3
0%
4
Where would a plant cell store any
excess glucose or water?
0%
0%
0%
0%
1.
2.
3.
4.
The golgi apparatus
The cytoplasm
The central vacuole
The cell membrane
Which part of the experiment does the
person performing the experiment have
control over?
1. The independent
variable
2. The dependent
variable
3. The results
4. The conclusion
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1
0%
0%
2
3
0%
4
Which of the following statements
about viruses is false?
1. Viruses are smaller
than bacteria.
2. Viruses can change
their DNA.
3. Viruses can reproduce
on their own.
4. Viruses do not affect
living things.
0%
1
2
3
4
The atomic number of an atom is the
number of ____
1. Protons
2. Neutrons
3. Protons and neutrons
combined
4. Electrons and
neutrons combined
0%
1
0%
0%
2
3
0%
4
An ion is an atom ____
1.
2.
3.
4.
That has an unequal number of
protons and electrons.
That has an unequal number of
protons and neutrons.
That has the same number of
protons and neutrons.
That has the same number of
protons and electrons.
0%
1
2
3
4
Which of the following is true regarding
photosynthesis and respiration?
1.
2.
3.
4.
Photosynthesis occurs in the
mitochondria; respiration
occurs in the chloroplasts.
Photosynthesis breaks down
glucose; respiration makes
glucose.
Photosynthesis occurs in the
chloroplasts; respiration
occurs in the mitochondria.
All cells can undergo both
photosynthesis and
respiration.
0%
1
0%
0%
2
3
0%
4
A producer is an organism that can ____
1. Eat other organisms.
2. Make glucose for its
cells.
3. Reproduce.
4. Feeds off of dead or
decaying matter.
0%
1
0%
0%
2
3
0%
4
Which of the following is produced
as a result of photosynthesis?
0%
0%
0%
0%
1.
2.
3.
4.
Carbon dioxide
Water
Oxygen
Heat
The process that causes tectonic plates
movement is ____
1.
2.
3.
4.
Conduction
Convection
Radiation
Continental drift
0%
1
2
3
4
The main reason why Alfred Wegener’s
hypothesis of continental drift was not
accepted was because ___
1.
2.
3.
4.
He couldn’t show how the
continents were once joined
together.
He didn’t have any proof that
the continents were joined
together.
He couldn’t explain how the
continents moved apart.
He couldn’t explain how
0%
fossils formed.
1
0%
0%
2
3
0%
4
1.
2.
3.
4.
Which layer of the Earth has the
lowest density?
Crust
Mantle
Core
Asthenosphere
0%
1
2
3
4
Divergent boundaries cause which of
the following to form?
1.
2.
3.
4.
Mountains
Earthquakes
New crust
Trenches
0%
1
0%
0%
2
3
0%
4
Particles floating in water that may
make the water cloudy is known as ___
0%
0%
0%
0%
1.
2.
3.
4.
Concentration
Turbidity
Cohesion
Adhesion
Sea urchins are classified as animals
because they cannot ____
1.
Make energy for their
cells.
2. Make glucose for
their cells.
3. Move from one
location to another.
4. Undergo cellular
respiration.
0%
1
0%
0%
2
3
0%
4
Which of the following is a change in
physical composition?
1.
A brick being ground
up into fine dust.
2. A purple substance
forming when iodine is
added to cornstarch.
3. Vinegar bubbling when
baking soda is added.
4. An iron nail rusting.
0%
1
0%
0%
2
3
0%
4
Which of the following is a change in
chemical composition?
1.
An aluminum cube is
rolled into a flat sheet.
2. Liquid water freezing to
form solid ice.
3. Solid butter melting on
the stove.
4. A white precipitate
forming as a result of
the combination of two
liquids.
0%
1
2
3
4
In the chemical formula H2SO4, what
does the subscript 4 represent?
1.
The number of hydrogen
atoms in sulfuric acid.
2. The number of sulfur
and oxygen atoms in
sulfuric acid.
3. The number of oxygen
atoms in sulfuric acid.
4. The number of hydrogen
and oxygen atoms in
sulfuric acid.
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1
0%
0%
2
3
0%
4
Hydrogen peroxide (H2O2), if left
unopened, will eventually form water
(H2O) and oxygen gas (O2). What is
the balanced chemical equation for
this reaction?
1.
2.
3.
4.
0%
H2O2  H2O + O2
H2O + O2  H2O2
2H2O2  2H2O +O2
2H2O + O2  2H2O2
1
2
3
4
Hydrogen peroxide (H2O2), if left
unopened, will eventually form water
(H2O) and oxygen gas (O2). What type
of chemical reaction is this?
1. Combustion reaction
2. Acid-base
neutralization
reaction
3. Decomposition
reaction
4. Synthesis reaction
0%
1
0%
0%
2
3
0%
4
Which of the following is not one of
the three processes of the hydrologic
cycle?
1.
2.
3.
4.
Condensation
Evaporation
Collection
Precipitation
0%
1
2
3
4
Where is most freshwater located on
Earth?
1.
2.
3.
4.
Polar ice caps
Groundwater
Rivers
Lakes
0%
1
0%
0%
2
3
0%
4
An atom is composed of protons,
neutrons, and electrons. What is the
electric charge on an electron?
0%
0%
0%
0%
1.
2.
3.
4.
0
+1
-1
+2
The following organelles are found in
ALL cells except ____
1.
2.
3.
4.
Cell membrane
Mitochondria
Cytoplasm
Nucleus
0%
1
0%
0%
2
3
0%
4
Which of the following statements is true
regarding prokaryotic cells and eukaryotic
cells?
1.
2.
3.
4.
Prokaryotic cells have a nucleus;
eukaryotic cells do not have a
nucleus.
Prokaryotic cells are able to make
glucose; eukaryotic cells are not.
Prokaryotic cells do not have a
nucleus; eukaryotic cells have a
nucleus.
Prokaryotic cells are not able to
0%
make glucose; eukaryotic cells
1
can.
0%
0%
2
3
0%
4
The process of cells making
glucose is known as__
1.
2.
3.
4.
Respiration
Photosynthesis
Mitochondria
Chloroplasts
0%
1
2
3
4
Animal cells and plant cells differ
because animal cells ___
1. Have mitochondria,
and plant cells do not.
2. Have chloroplasts, and
plant cells do not.
3. Have lysosomes, and
plant cells do not.
4. Have cell walls, and
plant cells do not.
0%
1
2
3
4
Which of the following is a change in
physical composition?
0%
0%
0%
0%
1.
2.
3.
4.
Water freezing in the freezer.
Wood burning in a fireplace.
A nail rusting.
Garbage decomposing in a landfill.
Which of the following statements is
false regarding viruses?
1. Viruses have DNA.
2. Viruses are capable
of reproducing.
3. Viruses have cells.
4. Viruses come from
other viruses.
0%
1
0%
0%
2
3
0%
4
If the atomic number of Calcium41 (+2) is 20, how many protons
does it have?
1.
2.
3.
4.
20
21
22
18
0%
1
2
3
4
Which of the following is not one of
the main categories of elements on
the periodic table?
0%
0%
0%
0%
1.
2.
3.
4.
Nonmetals
Transition metals
Metals
Metalloids
The elements in the periodic table
are organized by___
1. Their atomic
numbers.
2. Their names.
3. Their atomic mass
numbers.
4. Their activity levels.
0%
1
2
3
4
A metal ball has a mass of 35g. To
determine the volume, a graduated
cylinder was filled up with 25 mL of water
and the metal ball was placed inside. If
the volume increased by 7mL, what is the
object’s density?
1.
2.
3.
4.
245 g/mL
1.4 g/mL
5.0 g/mL
1.09 g/mL
0%
1
0%
0%
2
3
0%
4
Which of the following statements is
true regarding cellular respiration?
1.
Respiration occurs in
the chloroplasts of cells.
2. Respiration produces
glucose for the cells to
use.
3. Respiration breaks
down glucose to get
energy.
4. Respiration uses carbon
dioxide.
0%
1
2
3
4
In a eukaryotic cell, DNA is kept
in _____
0%
0%
0%
0%
1.
2.
3.
4.
The cell membrane.
The nucleus.
The cytoplasm.
The vacuole.
Which level of organization is the
most basic level for all living things?
1.
2.
3.
4.
Atoms
Cells
Tissues
Organs
0%
1
2
3
4
At 6:00, approximately how many
bacteria are in the culture?
0%
0%
0%
0%
1.
2.
3.
4.
3,000
4,000
5,000
8,000
At approximately what time are there
22,000 bacteria cells?
1.
2.
3.
4.
0%
1
6:00
8:00
7:00
9:00
0%
0%
2
3
0%
4
If the bacteria cells are doubling every
hour, approximately how many bacteria
cells will there be at 10:00?
1.
2.
3.
4.
47,000
78,000
54,000
88,000
0%
What is the best explanation for the
rapid bacteria growth?
1.
The bacteria cells were
infected with a virus causing
them to reproduce rapidly.
2. Bacteria cells reproduce
rapidly through binary
fission.
3. Bacteria cells reproduce
quickly through mitosis and
cytokinesis.
4. Bacteria cells divide every 3
hours to produce new cells.
0%
1
2
3
4
What is the best way to prevent bacterial
infection in a cut?
1. Vaccinations from the
doctor.
2. Stay home until the cut
heals so you are not
exposed to bacteria.
3. Wash the cut with soap
and water.
4. Do not cover the
wound, leave it open to 0%
the air.
1
0%
0%
2
3
0%
4
Looking at the column that says maximum
amount allowed, what does ppm represent?
1.
2.
3.
4.
Parts per molecule
Parts per million
Portions per minute
Portions per million
0%
1
2
3
4
1.
2.
3.
4.
Which two contaminants can cause
problems for kidneys?
Mercury and Copper
Nitrates and Copper
Cyanide and Mercury
Nitrates and Cyanide
0%
1
2
3
4
A large number of people from the town
Andersonville have developed thyroid problems.
This town is known for its numerous steel factories.
What might investigators conclude after some
research?
1.
2.
3.
4.
There is too much copper in the water.
There is too much cyanide in the water.
There is not enough mercury in the water.
There are a lot of sick people in this town.
0%
1
0%
0%
2
3
0%
4
Considering the maximum amount
allowed, which chemical is the most
dangerous?
0%
0%
0%
0%
1.
2.
3.
4.
Copper
Mercury
Cyanide
Nitrates
Looking at the data table, which of the
following statements is NOT true?
1.
2.
3.
4.
0%
Runoff from fertilizer can enter water and cause infants to
become sick.
Thyroid problems can be contributed to cyanide poisoning.
Kidney damage can be caused by multiple contaminants.
Only factories and farms can cause water contamination.
1
2
3
4
Which describes the hydrosphere?
1. Most of it contains
salt.
2. It is made of only
freshwater.
3. All of it is located
above ground.
4. It is formed by a
climate change.
0%
1
2
3
4
Which condition in the ocean is most
responsible for an increase in the fish
population near the surface?
1.
2.
3.
4.
Buoyancy
Density
Salinity
Upwelling
0%
1
2
3
4
Which pair of organisms represents a
connection between aquatic and
terrestrial food webs?
1. Whales and
plankton
2. Seagulls and
oysters
3. Spiders and
mosquitoes
4. Humans and coral
0%
1
0%
0%
2
3
0%
4
Which tool is used to determine
precipitation amounts?
1.
2.
3.
4.
Balance scale
Hygrometer
Rain gauge
Thermometer
0%
1
2
3
4
Which is evidence that elements can
combine to form new compounds?
1. Melting a solid
2. Freezing a liquid
3. Moving a piece of
metal with a
magnet
4. Pouring two
liquids together to
create a solid
0%
1
0%
0%
2
3
0%
4
Which property of metals allows them to
be used to make coins that have the same
thickness?
1. Electrical
conductivity
2. Density
3. Malleability
4. Specific heat
0%
1
2
3
4
Which best describes why metals are used
for making pots and pans that are used for
cooking?
0%
0%
0%
0%
1. Metals have low specific heats and high
melting points.
2. Metals have high specific heats and low
melting points.
3. Metals have low specific heats and low
melting points.
4. Metals have high specific heats and
high melting points.
Which best describes the physical change
of an aluminum soda can after it is
crushed?
1. There is a change in
the mass of the can.
2. There is a change in
the weight of the can.
3. There is a change in
the volume of the can.
4. There is a change in
the specific heat of the
can.
0%
1
2
3
4
A chemical reaction produces two new
substances, and each product has a mass
of 25 grams. What was the total mass of
the reactants?
1.
2.
3.
4.
25 grams
50 grams
75 grams
100 grams
0%
1
0%
0%
2
3
0%
4
Which factor best explains why some
people will react differently than others to
the same dose of an antibiotic?
1.
2.
3.
4.
High potency
Low concentration
Individual exposure
Individual
susceptibility
0%
1
2
3
4
If a farmer decides to have a pesticide-free
farm, which is most likely the result of
this choice?
1.
2.
3.
4.
The famer’s crops will yield more
than if pesticides had been applied.
The farmer’s crops will yield the
same amount whether or not
pesticides have been applied.
Insects may eat a larger percentage
of the farmer’s crops, causing a
lower harvest than if pesticides had
been applied.
Insects may eat a lower percentage
of the farmer’s crops, causing a
higher harvest than if pesticides had
been applied.
0%
1
2
3
4
Which is the best evidence that two
continents were once connected?
1. They have similar
types of rocks and
fossils.
2. They are in the same
stage of succession.
3. They exist along the
same line of
latitude.
4. They have the same
climate.
0%
1
0%
0%
2
3
0%
4
What does a scientist most likely consider
when studying the relative ages of rock
layers in a canyon wall?
1. Chemical
weathering
2. Current climate
3. Amount of daily
rainfall
4. Law of
Superposition
0%
1
2
3
4
1.
Which can most likely be concluded
about the top layer of rock seen in an
undisturbed cliff wall?
The top layer is older than layers
located farther down the cliff.
2. The top layer is younger than
layers located farther down the
cliff.
3. The top layer contains more fossils
than layers located farther down
the cliff.
4. The top layer contains fewer fossils
than layers located farther down
the cliff.
0%
1
2
3
4
Based on the Law of Superposition,
what can be concluded about fossils?
1.
Fossils give clues about
past climate patterns.
2. Fossils form from the
hard parts of organisms.
3. The oldest fossils are
found in the lowest
rock layers.
4. The most recent fossils
were advanced
organisms.
0%
1
0%
0%
2
3
0%
4
Which best explains why fossils of the
same species of a reptile were discovered
in South America and in western Africa?
1.
2.
3.
4.
The reptiles evolved in both South
America and Africa.
The continents of South America
and Africa were once joined.
Land bridges connected the
continents of South America and
Africa.
The reptiles could swim the
distance between South America
and Africa.
0%
1
2
3
4
Which process best explains how
mountain ranges are worn down over
time?
0%
0%
0%
0%
1.
2.
3.
4.
Asteroid impacts
Volcanic eruptions
Mechanical and chemical weathering
Continental drift and seafloor spreading
1.
2.
3.
4.
Which organelle stores genetic
information?
Flagellum
Nucleus
Mitochondrion
Vacuole
0%
1
2
3
4
What is the energy source that an animal
cell needs to carry out life processes?
1. Water stored in
vacuoles
2. Proteins built in
ribosomes
3. Light absorbed by
chloroplasts
4. Sugar broken down
in mitochondria
0%
1
0%
0%
2
3
0%
4
Which statement best describes influenza?
1. Influenza causes
most forms of lung
cancer.
2. Influenza is caused
by poor hygiene.
3. Influenza is cured
with antibiotics
4. Influenza is highly
contagious.
0%
1
2
3
4
Which type of training should local
schools offer in order to prepare potential
workers in the pharmaceutical industry?
0%
0%
0%
0%
1.
2.
3.
4.
Biotechnology
Ecology
Engineering
Geology
You’re Done!!