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. Erosion

b. Deposition

c. Pollution

d. Condensation

The Hawaiian Islands were formed as a result of _________.

a. Deposition

b. Hurricanes

c. Glacier

d. Volcanic activity

The molecules in a gas _______.

a. Are packed close together

b. Stay close together

c. Do not stay close together

d. Form a regular pattern

The smallest particle of matter is called a/an __________.

a. Magnet

b. Mass

c. Atom

d. Molecule

Which of these tools is most useful for studying bacteria?

a. Telescope

b. Microscope

c. Binoculars

d. Two-pan balance

A vertebrate is an animal that ___________.

a. Has a backbone

b. Does NOT have a backbone

c. Is only found on land

d. 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. Density

b. Mass and weight

c. Chemical changes

d. Physical changes

A pathway of an electric current that contains a power source and a

conductor is called __________.

a. Electric circuit

b. Static electricity

c. Magnetic poles

d. 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. A tomato plant

b. A wildflower

c. An apple tree

d. A fir tree

Water and winds are the two forces that cause __________.

a. Earthquakes

b. Glacier

c. Erosion

d. Volcanoes

Which of the following is used for flood control?

a. Dams

b. Levees

c. Windbreaks

d. Both a and b

Which of the following is NOT an example of a physical change?

a. A melting popsicle

b. Breaking a window

c. Paper burning

d. Water evaporating from a puddle

A bicycle is left out in the rain and rusts. What kind of change is this?

a. Physical change

b. Chemical change

c. Energy change

d. Change of state

Animals that spend part of their lives in water and part on land are called

_____________

a. Fish

b. Reptiles

c. Amphibians

d. Mammals

Which cell part is found in plant cells but not in animal cells?

a. Cell membrane

b. Nucleus

c. Cell wall

d. Cytoplasm

By studying the wavy lines of a seismograph, scientists can

_________.

a. Prevent earthquakes

b. Cause earthquakes

c. Ignore earthquakes

d. Measure earthquakes

Erosion and weathering are examples of ________.

a. Constructive forces

b. Destructive forces

c. Surface features

d. 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. A bar magnet

b. Wire

c. An iron core to wrap the wire around

d. Energy source (battery)

An animal that does NOT have a backbone is called a/an

__________.

a. Carnivore

b. Herbivore

c. Vertebrate

d. Invertebrate

________ play(s) a role in the transfer of traits from parents to

offspring.

a. Genes

b. Cell membrane

c. Cytoplasm

d. Chloroplast

What are two surface features that can result from magma pushing up

Earth’s crust?

a. Glacier and a fold mountain

b. Weathering and erosion

c. Landslide and sinkhole

d. A dome-shaped mountain or a volcano can form

What term describes a mass of snow and ice in motion?

a. Loss deposition

b. Glacier

c. Outwash

d. Abrasion

A change in matter that produces new kinds of matter is called a

_________.

a. Chemical change

b. Physical change

c. Change in state

d. Particle change

You have a battery and a bulb. What else do you need to make a

simple circuit?

a. Wires

b. Insulator

c. Static electricity

d. A source of electric current

How does this single-celled organism move?

a. By trapping nutrients

b. By latching onto a bacteria

c. By moving its tiny hair-like structures

d. By moving its tail back and forth

Plants can be sorted into two major groups _________ and ________.

a. Flowering and non-flowering

b. Vascular and non-vascular

c. With cells and without cells

d. Large and small

The Grand Canyon was formed as a result of __________.

a. A volcano

b. An earthquake

c. Erosion

d. 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. Electrically neutral

b. A like charge

c. Static electricity

d. An unlike charge

Which direction does a needle of a compass always point?

a. North

b. South

c. East

d. West

Vertebrates can be sorted into ___________ groups.

a. 2

b. 3

c. 4

d. 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 single-celled organisms

d. Chloroplast are responsible for learned behaviors.

What are two surface features that can result from magma pushing up

Earth’s crust?

a. Glacier and a fold mountain

b. Weathering and erosion

c. Landslide and sinkhole

d. A dome-shaped mountain or a volcano can form

The carrying away of sediment by moving water, wind or moving ice is

called ___________.

a. Weathering

b. Sediment

c. Erosion

d. 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.

d.b.

c.

Which of the following is NOT an example of an inherited trait?

a. Shape of face

b. Eye color

c. Tying shoes

d. Blood type

Which of the following vertebrates is cold-blooded but has lungs?

a. Fish

b. Mammals

c. Birds

d. Reptiles

A seismologist studies ________.

a. Weather

b. Plants

c. Earthquakes

d. 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. Erosion

b. Deposition

c. Pollution

d. Chemical weathering

Materials that electric charges do not move through easily are

called __________.

a. Insulators

b. Conductors

c. Molecules

d. Atoms

The picture below shows an example of a molecule in its

________ state.

a. Solid

b. Liquid

c. Gas

d. 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. Frog

b. Worm

c. Monkey

d. Bird

The changes that occurred in the picture below are probably due to

_________.

a. Pollution

b. Erosion

c. Tornadoes

d. Condensation

2001

2011

The islands of Japan were formed by __________.

a. Deposition

b. Hurricanes

c. Glaciers

d. Volcanic activity

What kind of change changes water from a liquid to a solid?

a. Physical change

b. Chemical change

c. Particle change

d. Matter change

The picture below shows a _________ charge.

- - - + +

- + +

a.Positive

b.Negative

c.Neutral

d.Chemical

Fish breathe using ________.

a. Lungs

b. Scales

c. Gills

d. Fins

Animals must find their own food; however plants _________.

a. Do not need food

b. Eat food from the ground

c. Make their food inside their cells

d. Wait for animals to bring them food

An earthquake is caused by an abrupt shift in the earth along a

fracture or ___________.

a. Fault

b. Seismic waves

c. Geiger counter

d. 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. The effect of wind and water caused erosion, wearing

away the mountains.b. Too many people and animals traveled across the

mountains, causing them to wear away.c. All of the snowfall was so heavy that it weighted down

the mountains and caused them to shrink.d. The water that used to cover Earth wore away parts of

the mountains.

The molecules in a gas

a. Are packed close together.

b. Stay close together.

c. Do not stay close together.

d. 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. Fruits and flowers

b. Seeds in cones

c. Roots and stems

d. Tall, woody plants

Which of the following is characteristic of birds and

mammals only?

a. They lay eggs.

b. They have a backbone.

c. They have radial symmetry.

d. They are warm-blooded.

Which of these surface features can be formed by ocean waves?

a. Sea caves

b. Mountains

c. Volcanoes

d. Ponds

A river cutting a V-shaped valley is an example of

a. A sinkhole

b. A landslide

c. Weathering and erosion

d. A constructive process

Magma flowing out of Earth’s crust formed which of the following

features?

a. The Himalayas

b. The Mississippi River delta

c. The islands off the coast of Georgia

d. The islands of Hawaii

Where could you most likely observe a volcano?

a. Northern Georgia

b. The rim of the Pacific Ocean

c. Florida

d. The Himalayas

The Rocky Mountains are examples of

a. Dome mountains

b. Fold mountains

c. Fault-block mountains

d. Volcanoes

Sandbags are piled along the banks of a rising river to form a

a. Temproary levee

b. Temporary dam

c. Reservoir

d. Storm drain system

People build which of these structures to slow beach erosion?

a. Barrier island

b. River dam

c. Reservoir

d. Sea wall

A scientist has a sheet of paper. After an experiment, the paper has

turned to ash. The scientist is investigating

a. Density

b. Mass and weight

c. Chemical changes

d. Physical changes

The total energy of the particles of matter is called

a. Expansion

b. Contraction

c. Thermal energy

d. heat

What kind of change is a change in state?

a. Physical change

b. Chemical change

c. Particle change

d. Matter change

The ability to remove salt from seawater shows that making a

solution is a

a. Change of state

b. Particle change

c. Chemical change

d. Physical change

A bicycle left in the rain rusts. What kind of change is this?

a. Physical change

b. Chemical change

c. Energy change

d. Change of state

A build-up of electric charge is called

a. Electrically neutral

b. A like charge

c. Static electricity

d. An unlike charge

You have a battery and a bulb. What else do you need to make a

simple circuit?

a. Wire

b. An insulator

c. Static electricity

d. 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. Store materials

b. Make energy from sunlight

c. Break down sugars to release energy

d. 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. ATP

b. DNA

c. Chloroplasts

d. Cytoplasm

The stronger gene for a given trait is called the _________ gene.

a. Dominant

b. Recessive

c. DNA

d. Chromosomic