3rd
A sudden movement of the Earth’s
crust is called—
F. a volcano.
G. an earthquake.
H. a hurricane.
J. a tornado.
an earthquake!
Why do reptiles spend a lot of time in
the sun?
A They are cold-blooded.
B The sun changes their skin color
to help them hide.
C They live in the desert.
D The sun helps them produce food.
They are cold-blooded.
Which object cannot be moved by a
magnet?
A a paper clip
B a nail
C a toothpick
D a staple
a toothpick
What kind of charge do protons
carry?
A negative
B positive
C neutral
D electric
positive
Which of these is not a type of rock?
A metamorphic
B fragmentary
C sedimentary
D igneous
fragmentary
Which of the following is a chemical
change?
A ice cream melting in the sun
B crushing a soda can
C mixing salt and sugar
D burning wood in the fireplace
burning wood in the fireplace
Which of these is not a mammal?
A lizard
B giraffe
C dog
D whale
lizard
What two forces cause erosion?
A water and gravity
B sun and wind
C wind and water
D gravity and wind
water and gravity
Which of the following cannot be used
to classify forms of matter?
F water
G liquid
H gas
J solid
water
Which is the gland that produces
hormones?
F pituitary
G heart
H large intestine
J kidney
pituitary
What is the name of the energy from
the sun?
F solar
G polar
H ocular
J lunar
solar
What is the name of the substance
that flows out of a volcano?
A magma
B lava
C ash
D crater
lava
What is the source of moonlight?
F reflected light from stars
G reflected light from moonbeams
H reflected light from the sun
J reflected light from water
reflected light from the sun
Which of the following would
decompose most quickly?
A apple
B shell
C rock
D bone
apple
In science, what does the word work
mean?
F It is the comparison of two masses
that occupy the same space.
G It is the measure of how fast an
object is moving.
H It is the tendency of a moving
object to keep moving.
J It is the product of the force
applied to an object and the
distance the object moves.
It is the product of the force
applied to an object and the
distance the object moves.
Which animal would be lowest on a
food chain?
A frog
B mosquito
C duck
D man
mosquito
What is the name of the female part of
a plant?
A stamen
B pistil
C petal
D sepal
pistil
Which of the following features of the
ocean floor is the deepest?
A a trench
B a continental shelf
C a seamount
D an abyssal plain
a trench
When a puddle of water disappears
after the sun comes out, it is called—
F displacement.
G metamorphosis.
H isolation.
J evaporation
evaporation.
If you wanted to lift a heavy crate up
into the air, which would be the best
simple machine to use?
F screw
G lever
H pulley
J inclined plane
pulley
The process in which a plant creates
food is called —
F photosynthesis.
G chloroplast.
H reproduction.
J budding.
photosynthesis.
Which gas do mammals exhale?
F oxygen
G hydrogen
H carbon dioxide
J methane
carbon dioxide
Which of these is not part of the eye?
F pupil
G cornea
H lens
J anvil
anvil
What is desalination?
F the process of water evaporating
and condensing
G the process of removing
dissolved salts from seawater
and making it useable
H the process of adding salt to
fresh water
J the process of removing
groundwater
the process of removing
dissolved salts from seawater
and making it useable
Which planet is between Jupiter and
Uranus in the solar system?
F Pluto
G Mars
H Venus
J Saturn
Saturn
Earthquakes are caused by —
F static electricity.
G El Niño.
H severe weather conditions.
J plates on the earth’s surface
moving.
plates on the earth’s surface
moving.
Which of the following is not a reason
for species endangerment?
A zoos
B habitat destruction
C hunting
D pollution
zoos
What is the name of the moon’s
changing shapes?
A orbits
B phases
C eclipses
D stages
phases
15. Which of these is the innermost layer
of the earth?
A mantle
B core
C crust
D trench
core
What part of Earth lies just below the
crust?
A the core
B the mantle
C the oceans
D the faults
the faults
A sedimentary rock is often
formed in a—
A river bed.
B volcano.
C mesa.
D plateau.
river bed.
Which organ is the command center
of the body?
A bladder
B heart
C brain
D liver
brain
The word animal is the name of a
scientific classification known as a —
F phylum.
G order.
H family.
J kingdom.
kingdom.
What is the name of the process by
which plants take in carbon dioxide
and water to make food?
F cell division
G biology
H photosynthesis
J respiration
photosynthesis
Which type of rock forms from
magma?
A igneous
B sedimentary
C rudimentary
D metamorphic
igneous
Which of the following statements
about the solar system is true?
A Earth is the closest planet to the
sun.
B There are seven planets in the
solar system.
C The sun is a planet.
D The solar system is the sun and
the objects that travel around it.
The solar system is the sun and
the objects that travel around it.
A snake is a—
F mammal.
G rodent.
H insect.
J reptile.
reptile.
What causes the tide?
F pull of gravity between Earth and
the moon
G pull of gravity among Earth, the
moon, and Mars
H pull of gravity among Earth, the
moon, and the sun
J pull of gravity between
Earth and the sun
pull of gravity between Earth and
the moon
Which of the following statements
about plants is not true?
A Plant cells have chlorophyll.
B Plants get food from outside
themselves.
C Plants have limited movement.
D Plants have the ability to
reproduce.
Plants get food from outside
themselves.
Which of these is an example of
camouflage?
A The stick insect resembles the
twig on which it sits.
B The young joey grows and
develops in its mother’s pouch.
C The anteater has a long, slender
snout and a long tongue, which it
can thrust into anthills.
D The porcupine is covered with
long sharp quills.
The stick insect resembles the
twig on which it sits.
Which is the outermost layer of the
earth?
F core
G crust
H mantle
J rim
crust
Where does most of the water in the
water cycle come from?
F the rivers
G the lakes
H the oceans
J the reservoirs
the oceans
Which instrument is used to look
more closely at a leaf?
F barometer
G thermometer
H microscope
J beaker
microscope
What is the name of the primary blood
circulation organ in the human body?
A liver
B stomach
C brain
D heart
heart
Which of the following would not help
you identify a mineral?
F buoyancy
G hardness
H streak
J cleavage
buoyancy
Which is the organ that pumps blood
through the body?
F lung
G heart
H liver
J brain
heart
3. How many bones does an adult
human have?
A 206
B 300
C less than 100
D over 300
206
What is the seasonal movement of
animals from one region to another?
F hibernation
G migration
H dislocation
J precipitation
migration
Which of these is not part of a flower?
A pistil
B stamen
C thorax
D petal
thorax
When a girl starts running, she is
converting stored energy into —
F heat energy.
G sound energy.
H kinetic energy.
J light energy.
kinetic energy.
Rocks that are formed from magma
that has cooled and hardened are
called —
A metamorphic.
B sedimentary.
C conglomerate.
D igneous.
igneous.
Which of these is not a vertebrate?
A fish
B snake
C worm
D toad
worm
Which is the largest organ of the
human body?
A the heart
B the brain
C the skin
D the skeleton
the skin
Which of these would not be found in
a desert ecosystem?
A cactus
B lizard
C otter
D tortoise
otter
Paper is made from—
A mud.
B trees.
C rocks.
D weeds.
trees.
Which of the following does a plant
cell have that an animal cell doesn’t?
F mitochondria
G chloroplasts
H nucleus
J cell membrane
cell membrane
Where do oil and natural gas come
from?
F mud at the bottoms of lakes
G sedimentary rocks
H molten lava
J the remains of dead
plants and animal
the remains of dead
plants and animal
Which of these trees is not a conifer?
F pine
G fir
H cedar
J oak
oak
_________ is the bending of light as it
passes from one material into another.
A Refraction
B Reflection
C Luster
D Filtration
Refraction
Electrical charge builds up when
_________.
A lightning is discharged
B too much current flows through a
wire
C positive charges move from one
object to another
D negative charges move from one
object to another
negative charges move from one
object to another