Science CRCT Review
At the mouth of a river that empties into
an ocean a river delta is formed. The
delta is a result of __________.
a.
b.
c.
d.
Erosion
Deposition
Pollution
Condensation
The Hawaiian Islands were formed
as a result of _________.
a.
b.
c.
d.
Deposition
Hurricanes
Glacier
Volcanic activity
The molecules in a gas _______.
a.
b.
c.
d.
Are packed close together
Stay close together
Do not stay close together
Form a regular pattern
The smallest particle of matter is
called a/an __________.
a.
b.
c.
d.
Magnet
Mass
Atom
Molecule
Which of these tools is most useful
for studying bacteria?
a.
b.
c.
d.
Telescope
Microscope
Binoculars
Two-pan balance
A vertebrate is an animal that
___________.
a.
b.
c.
d.
Has a backbone
Does NOT have a backbone
Is only found on land
Is only found in lakes and rivers
The holes in this
rock were most
likely formed by
_____________.
a.A constructive force
b.A landslide
c.A sinkhole
d.Weathering and erosion
How do glaciers move
materials?
a. Glaciers are pushed by sinkholes.
b. Glaciers cause magma to rise.
c. Glaciers push rock and soil in front
of them.
d. Glaciers do not move.
A scientist has a sheet of paper.
After an experiment, the paper has
turned to ash. The scientist is
investigating ___________
a.
b.
c.
d.
Density
Mass and weight
Chemical changes
Physical changes
A pathway of an electric current that
contains a power source and a
conductor is called __________.
a.
b.
c.
d.
Electric circuit
Static electricity
Magnetic poles
Insulators
Which of the following is NOT an
example of harmful bacteria?
a. Microorganisms that can cause food to
spoil.
b. Bacteria cause cholera, an often fatal
disease.
c. Microorganisms used to clean up an oil
spill.
d. Bacteria causing food poisoning.
Which of the following is an
example of a gymnosperm?
a.
b.
c.
d.
A tomato plant
A wildflower
An apple tree
A fir tree
Water and winds are the two
forces that cause __________.
a.
b.
c.
d.
Earthquakes
Glacier
Erosion
Volcanoes
Which of the following is used for
flood control?
a.
b.
c.
d.
Dams
Levees
Windbreaks
Both a and b
Which of the following is NOT an
example of a physical change?
a.
b.
c.
d.
A melting popsicle
Breaking a window
Paper burning
Water evaporating from a puddle
A bicycle is left out in the rain and
rusts. What kind of change is this?
a.
b.
c.
d.
Physical change
Chemical change
Energy change
Change of state
Animals that spend part of their lives
in water and part on land are called
_____________
a.
b.
c.
d.
Fish
Reptiles
Amphibians
Mammals
Which cell part is found in plant
cells but not in animal cells?
a.
b.
c.
d.
Cell membrane
Nucleus
Cell wall
Cytoplasm
By studying the wavy lines of a
seismograph, scientists can
_________.
a.
b.
c.
d.
Prevent earthquakes
Cause earthquakes
Ignore earthquakes
Measure earthquakes
Erosion and weathering are
examples of ________.
a.
b.
c.
d.
Constructive forces
Destructive forces
Surface features
Land build up
What makes an electromagnet
different from a bar magnet?
a. Only an electromagnet attracts materials
made of iron
b. Only an electromagnet can be turned on
and off
c. Only a bar magnet has a magnetic field
d. Only a bar magnet has poles
Which of the following is NOT
needed to make an electromagnet?
a.
b.
c.
d.
A bar magnet
Wire
An iron core to wrap the wire around
Energy source (battery)
An animal that does NOT have a
backbone is called a/an
__________.
a.
b.
c.
d.
Carnivore
Herbivore
Vertebrate
Invertebrate
________ play(s) a role in the
transfer of traits from parents to
offspring.
a.
b.
c.
d.
Genes
Cell membrane
Cytoplasm
Chloroplast
What are two surface features that
can result from magma pushing up
Earth’s crust?
a.
b.
c.
d.
Glacier and a fold mountain
Weathering and erosion
Landslide and sinkhole
A dome-shaped mountain or a volcano
can form
What term describes a mass of
snow and ice in motion?
a.
b.
c.
d.
Loss deposition
Glacier
Outwash
Abrasion
A change in matter that produces
new kinds of matter is called a
_________.
a.
b.
c.
d.
Chemical change
Physical change
Change in state
Particle change
You have a battery and a bulb.
What else do you need to make a
simple circuit?
a.
b.
c.
d.
Wires
Insulator
Static electricity
A source of electric current
How does this single-celled
organism move?
a.
b.
c.
d.
By trapping nutrients
By latching onto a bacteria
By moving its tiny hair-like structures
By moving its tail back and forth
Plants can be sorted into two major
groups _________ and ________.
a.
b.
c.
d.
Flowering and non-flowering
Vascular and non-vascular
With cells and without cells
Large and small
The Grand Canyon was formed as
a result of __________.
a.
b.
c.
d.
A volcano
An earthquake
Erosion
A glacier
_____________ is any process
that changes a rock’s chemical
composition.
a. Mechanical or physical
weathering
b. Chemical weathering
c. Oxidation
d. Erosion
A build up of electric charge is
called ___________.
a.
b.
c.
d.
Electrically neutral
A like charge
Static electricity
An unlike charge
Which direction does a needle of a
compass always point?
a.
b.
c.
d.
North
South
East
West
Vertebrates can be sorted into
___________ groups.
a.
b.
c.
d.
2
3
4
5
Why don’t animals have
chloroplast?
a. Chloroplast are used to make food in a
plant cell
b. Chloroplast are used as the brain center
of an organism
c. Chloroplast are only found in singlecelled organisms
d. Chloroplast are responsible for learned
behaviors.
What are two surface features that
can result from magma pushing up
Earth’s crust?
a.
b.
c.
d.
Glacier and a fold mountain
Weathering and erosion
Landslide and sinkhole
A dome-shaped mountain or a volcano
can form
The carrying away of sediment by
moving water, wind or moving ice is
called ___________.
a.
b.
c.
d.
Weathering
Sediment
Erosion
Wind
Which of the following shows
energy being taken away from
something?
a. Sun shining on a parking lot
b. A cup of warm water being placed in a
refrigerator
c. Solid iron is melted
d. A snowman melting
Which of the following is NOT an
example of a series circuit?
a.
c.
b.
d.
Which of the following is NOT an
example of an inherited trait?
a.
b.
c.
d.
Shape of face
Eye color
Tying shoes
Blood type
Which of the following vertebrates
is cold-blooded but has lungs?
a.
b.
c.
d.
Fish
Mammals
Birds
Reptiles
A seismologist studies ________.
a.
b.
c.
d.
Weather
Plants
Earthquakes
fossils
Sand dunes are hills of sand that
form in deserts and along
seashores where winds are strong.
Sand dunes are the result of
__________ .
a.
b.
c.
d.
Erosion
Deposition
Pollution
Chemical weathering
Materials that electric charges
do not move through easily are
called __________.
a.
b.
c.
d.
Insulators
Conductors
Molecules
Atoms
The picture below shows an
example of a molecule in its
________ state.
a.
b.
c.
d.
Solid
Liquid
Gas
Water vapor
Angiosperms are plants that
___________.
a. Do not have chloroplast
b. Grow on the sides of mountains
but not in valleys
c. Do NOT produce flowers and
fruit
d. Do produce flowers and fruit
Which of the following is an
invertebrate?
a.
b.
c.
d.
Frog
Worm
Monkey
Bird
The changes that occurred in the
picture below are probably due to
_________.
a.
b.
c.
d.
Pollution
Erosion
Tornadoes
Condensation
2001
2011
The islands of Japan were formed
by __________.
a.
b.
c.
d.
Deposition
Hurricanes
Glaciers
Volcanic activity
What kind of change changes
water from a liquid to a solid?
a.
b.
c.
d.
Physical change
Chemical change
Particle change
Matter change
The picture below shows a
_________ charge.
a.Positive
b.Negative
c.Neutral
d.Chemical
---++
-++
Fish breathe using ________.
a.
b.
c.
d.
Lungs
Scales
Gills
Fins
Animals must find their own food;
however plants _________.
a.
b.
c.
d.
Do not need food
Eat food from the ground
Make their food inside their cells
Wait for animals to bring them
food
An earthquake is caused by an
abrupt shift in the earth along a
fracture or ___________.
a.
b.
c.
d.
Fault
Seismic waves
Geiger counter
Plate
Christopher was looking at pictures of different
mountain ranges in the United States. He is
surprised to see that the Appalachian Mountains
were smaller and more rounded than the Rocky
Mountains. Why did the Appalachian Mountains
looked older and worn compared to the Rocky
Mountains?
a.
b.
c.
d.
The effect of wind and water caused erosion, wearing
away the mountains.
Too many people and animals traveled across the
mountains, causing them to wear away.
All of the snowfall was so heavy that it weighted down
the mountains and caused them to shrink.
The water that used to cover Earth wore away parts of
the mountains.
The molecules in a gas
a.
b.
c.
d.
Are packed close together.
Stay close together.
Do not stay close together.
Form a regular pattern.
You find the mass of a pack of gum. Then
you find the mass of all the sticks and the
wrappers. How do these measurements
compare?
a. The two measurements are the same.
b. The pack has a larger mass than the
sticks and wrappers.
c. The sticks and wrappers have a larger
mass than the pack.
d. The sticks and wrappers have a smaller
mass than the pack.
Unlike plants in other groups,
gymnosperms produce
a.
b.
c.
d.
Fruits and flowers
Seeds in cones
Roots and stems
Tall, woody plants
Which of the following is
characteristic of birds and
mammals only?
a.
b.
c.
d.
They lay eggs.
They have a backbone.
They have radial symmetry.
They are warm-blooded.
Which of these surface features
can be formed by ocean waves?
a.
b.
c.
d.
Sea caves
Mountains
Volcanoes
Ponds
A river cutting a V-shaped valley
is an example of
a.
b.
c.
d.
A sinkhole
A landslide
Weathering and erosion
A constructive process
Magma flowing out of Earth’s crust
formed which of the following
features?
a.
b.
c.
d.
The Himalayas
The Mississippi River delta
The islands off the coast of Georgia
The islands of Hawaii
Where could you most likely
observe a volcano?
a.
b.
c.
d.
Northern Georgia
The rim of the Pacific Ocean
Florida
The Himalayas
The Rocky Mountains are
examples of
a.
b.
c.
d.
Dome mountains
Fold mountains
Fault-block mountains
Volcanoes
Sandbags are piled along the
banks of a rising river to form a
a.
b.
c.
d.
Temproary levee
Temporary dam
Reservoir
Storm drain system
People build which of these
structures to slow beach erosion?
a.
b.
c.
d.
Barrier island
River dam
Reservoir
Sea wall
A scientist has a sheet of paper.
After an experiment, the paper has
turned to ash. The scientist is
investigating
a.
b.
c.
d.
Density
Mass and weight
Chemical changes
Physical changes
The total energy of the particles of
matter is called
a.
b.
c.
d.
Expansion
Contraction
Thermal energy
heat
What kind of change is a change in
state?
a.
b.
c.
d.
Physical change
Chemical change
Particle change
Matter change
The ability to remove salt from
seawater shows that making a
solution is a
a.
b.
c.
d.
Change of state
Particle change
Chemical change
Physical change
A bicycle left in the rain rusts.
What kind of change is this?
a.
b.
c.
d.
Physical change
Chemical change
Energy change
Change of state
A build-up of electric charge is
called
a.
b.
c.
d.
Electrically neutral
A like charge
Static electricity
An unlike charge
You have a battery and a bulb.
What else do you need to make a
simple circuit?
a.
b.
c.
d.
Wire
An insulator
Static electricity
A source of electric current
What makes an electromagnet
different from a bar magnet?
a. Only an electromagnet attracts materials
made of iron.
b. Only an electromagnet can be turned on
and off.
c. Only a bar magnet has a magnetic field
d. Only a bar magnet has poles.
The function of mitochondria is to
a.
b.
c.
d.
Store materials
Make energy from sunlight
Break down sugars to release energy
Control movement of materials in and out
of the cell
What makes a multi-celled
organism different from one that is
single-celled?
a. Only multi-celled organisms have cells
that work together to form specific
functions.
b. Only multi-celled organisms make
energy from sugars.
c. Only multi-celled organisms have
organelles.
d. Only multi-celled organisms have cells
that divide.
Information about inherited traits is
stored in _________.
a.
b.
c.
d.
ATP
DNA
Chloroplasts
Cytoplasm
The stronger gene for a given trait
is called the _________ gene.
a.
b.
c.
d.
Dominant
Recessive
DNA
Chromosomic