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4th Grade Science Review Part A

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.
Why do moon phases change?
a)
Earth rotates around the moon. 
b)
Earth rotates around the sun. 
c)
The moon casts a shadow on Earth.
d)
The moon orbits around the Earth. 
2.
Which statement best describes climate?
a)
Climate is the average weather in a region over a long time
b)
Climate stays the same across the planet
c)
Climate changes every day
d)
Climate lasts for one season
3.

What type of clouds are low, dark, flat, and cover most of the sky like a blanket?

a)

stratus

b)

nimbus

c)

cumulus

d)

cirrus

4.

What is the order of the water cycle?

a)

precipitation, transpiration, evaporation, condensation

b)

evaporation, condensation, precipitation, runoff

c)

runoff, condensation, evaporation, precipitation

d)

evaporation, transpiration, condensation, precipitation

5.

What tool measures air pressure?

a)

thermometer

b)

anemometer

c)

barometer

d)

none of the above

6.
Which weather tool would be MOST useful to you if you want to know if today was a good day to fly a kite?
a)
anemometer
b)
thermometer
c)
barometer
7.
Which type of pressure system is present on fair weather (nice weather) days?
a)
low pressure
b)
high pressure
8.
Which planet is fifth from the sun?
a)
Mars
b)
Jupiter
c)
Saturn
d)
Uranus
9.
If most of the direct sunlight is hitting the northern hemisphere of the earth, which season is the north experiencing?
a)
winter
b)
summer
c)
spring
d)
fall
10.

How long does it take for the Earth to revolve around the Sun 4 times?

a)

1 year

b)

4 years

c)

4 days

d)

1 day

11.

What does a decomposer do?

a)

Uses photosynthesis to make food

b)

Takes in nutrients

c)

Breaks down dead organisms

d)

The grass

12.

If a boy kicks a ball, what will make the ball come back down?

a)

Friction

b)

Erosion

c)

Gravity

d)

Decomposers

13.

A boy rolled a marble on a wooden floor. The he rolls the same ball on a carpet. Why did the ball go further on the wooden floor then on the carpet?

a)

It had more friction

b)

It had less friction

c)

The carpet was too big

d)

The ball was not rolled well

14.
What causes the seasons?
a)
the position of the Moon in the night sky
b)
the tilt of Earth as it revolves around the Sun
c)
the distance between Earth and the Sun
d)
the temperature at the surface of the Sun
15.
Which of these statements is true?
a)
Planets always twinkle
b)
Planets do not produce light.
c)
The Moon is a star that orbits Earth.
d)
Stars always look brighter than planets.
16.
What is true about a mirror's surface?
a)
It refracts light.
b)
It absorbs all light.
c)
It reflects light.
d)
It stores light.
17.
Microscopes have lights and lenses. What parts of microscopes make tiny objects look larger?
a)
bright lights
b)
colorful lights
c)
convex lenses
d)
concave lenses
18.
The vocal chords of a lion vibrate at a slower rate when it roars. What best describes the pitch of the lion's roar?
a)
high pitch
b)
low pitch
c)
soft pitch
d)
hard pitch
19.
A greenhouse is a building that protects plants from the cold but allows them to still get sunshine. Which type of material would be the best choice for building a greenhouse?
a)
a transparent material because it allows some of the light to shine through
b)
a translucent material because it allows most of the light to shine through
c)
a transparent material because it allows most of the light to shine through
d)
a translucent material because it allows some of the light to shine through
20.
Which item is listed in the wrong group?
a)
tissue paper
b)
tin foil
c)
water
d)
brick
21.
Which object breaks light down into bands of color?
a)
convex lens
b)
concave lens
c)
prism
d)
magnifying glass
22.
This state of matter has tightly packed particles.
a)
liquid
b)
solid
c)
gas
d)
sun
23.
Which of these terms best describes the moon in this image?
a)
Waning Crescent
b)
Full Moon
c)
Waxing Gibbous
d)
New Moon
24.
In the food chain, what organism makes its own food?
a)
consumer
b)
decomposer
c)
scavenger
d)
producer
25.

What is Condensation?

a)

water vapor that cools and changes back into a liquid

b)

condensation that occurs outdoors due to warmer air striking a colder surface

c)

any form of water that falls from clouds onto Earth's surface as rain, snow, sleet, or hail

d)

liquid in the air in the form of a gas

26.
What is a front?
a)
a place where two air masses meet
b)
the front part of a hurricane
c)
an area of very high wind
d)
an area that has nice weather
27.
Which list of phases is in the correct order?
a)
new moon, full moon, first quarter, last quarter
b)
new moon, first quarter, last quarter, full moon
c)
new moon, first quarter, full moon, last quarter
d)
full moon, first quarter, new moon, last quarter
28.
In Winter, the Northern Hemisphere gets
a)
direct light at noon
b)
less direct light than in summer
c)
more direct light than in summer
d)
no light
29.
The ______ is the name for the central star in our solar system.
a)
Solaris
b)
Sun
c)
Moon
d)
Polaris
30.
Which organisms change their environment?
a)
plants only
b)
animals and humans only
c)
animals, plants, and humans
d)
humans and plants only
31.
Which object does not make a shadow on a sunny day?
a)
a tree branch
b)
a sheet of clear glass
c)
a penny
d)
a paper bag
32.
Light is a form of energy that travels in a _____ line. 
a)
curved
b)
perpendicular
c)
straight
d)
right
33.

As we see more and more of the moon, we say it is:

a)

waxing

b)

waning

34.

__________ is a force that opposes motion

a)

friction

b)

potential energy

c)

kinetic energy

d)

movement

35.
Which tool measures how much rain falls to the ground?
a)
anemometer
b)
barometer
c)
rain gauge
d)
thermometer
36.
Which of the following lists all terrestrial planets in order from the sun?
a)
Mercury Venus Earth Mars
b)
Mercury Venus Saturn Jupiter
c)
Jupiter Saturn Uranus Neptune
d)
Mars Venus Mercury Earth
37.
Matter is defined as anything that takes up space and has
a)
mass
b)
texture
c)
odor
d)
color
38.
Which organisms break down and recycle dead plants and animals?
a)
predators
b)
prey
c)
decomposers
d)
producers
39.
Bluebirds live in open meadows and trees. The trees and plants near a meadow were removed to build a shopping center. How could this affect the bluebird population? 
a)
A It could give the bluebird population more space to live.
b)
 It could force the bluebird population to find a new place to live. 
c)
 It could cause all of the bluebird population in the area to die. 
d)
D It could provide a larger selection of food for the bluebird population. 
40.
Why do moon phases change?
a)
Earth rotates around the moon. 
b)
Earth rotates around the sun. 
c)
The moon casts a shadow on Earth.
d)
The moon orbits around the Earth. 
41.
There are ____ moon phases. 
a)
6
b)
7
c)
8
d)
9
42.
What causes objects, such as apples from an apple tree, to fall to the ground? 
a)
friction
b)
air resistance
c)
balanced forces
d)
gravity
43.
Which is not part of the water cycle?
a)
evaporation
b)
condensation
c)
runoff
d)
reflection
44.

An object's location is called its _________.

a)

motion

b)

position

c)

friction

d)

push

45.

A push or pull that causes an object to move, stop, or change direction.

a)

force

b)

friction

c)

gravity

d)

weight

46.
What is an ecosystem?
a)
A group of animals that are the same species.
b)
Soil, water, air and sunlight
c)
All the living and non living things that interact in an area.
d)
North America
47.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
d)
Biotic Factors
48.
In a forest, owls hunt at night. Mice are the main food of the owls. Which change will most likely happen if there are fewer mice in the forest? 
a)
A.  The owls will hunt during the day. 
b)
B.  The owls will have more babies. 
c)
C.   The number of owls will decrease.
d)
D.    The owls will become extinct. 
49.
Look at this food chain.     What would MOST LIKELY happen if the rabbit population suddenly becomes much larger?  

a)
A. The clover population would decrease and the coyote population would increase. 
b)
B. The clover population would decrease and the coyote population would decrease. 
c)
C. The clover population would increase and the coyote population would decrease. 
d)
D. he clover population would increase and the coyote population would increase. 
50.
What does the frequency of a sound wave determine?
a)
Amplitude
b)
Energy
c)
Pitch
d)
Volume

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