Quarter ( 3 )

Grade ( 3 )

Revision sheet ( Science)

Multiple Choice:

____1.Two schools collected newspaper for recycling. The bar graph shows the results.

In which week did Marble Creek collect the most newspaper?

A. / Week 1
B. / Week 2
C. / Week 3
D. / Week 4

____2.The moon moves in a circle around Earth. Which word means to move in a circle around a planet?

A. / Cycle
B. / Orbit
C. / Shine
D. / Spin

____3.Moon has different phases as it orbits earth.

Which phase of the moon does this picture show?

A. / full moon
B. / new moon
C. / quarter moon
D. / crescent moon

____4.The shape of the lighted part of the moon changes slightly each night. Which of these actions helps cause the changes in the shape of the moon?

A. / the rotation of Earth on its axis
B. / the rotation of the sun on its axis
C. / the motion of the moon around Earth
D. / the motion of the moon around the sun

____5.Jade drew this picture to represent the full moon. The picture has a mistake in it.

Which sentence explains how Jade should change her picture to show the full moon correctly?

A. / She should make the moon larger than Earth.
B. / She should make the moon darker than the sun.
C. / She should move the moon to the opposite side of Earth.
D. / She should move the sun to the opposite side of the moon.

____6.Earth spins around an imaginary line. Which of these words is the name for the imaginary line around which Earth spins?

A. / Axis
B. / Orbit
C. / Rotate
D. / Season

____7.Earth moves in several ways. Which of these words is the name for Earth’s spinning motion?

A. / Equation
B. / Revolution
C. / Rotation
D. / Vibration

____8.Earth’s motions around its axis causes cycles. Which of these cycles does the spinning motion of Earth cause?

A. / the cycle of the tides
B. / the day-and-night cycle
C. / the cycle of the seasons
D. / the phases-of-the-moon cycle

____9.This picture shows one of Earth’s motions.

Which of these motions does the arrow in the picture show?

A. / Cycling
B. / Orbiting
C. / Revolving
D. / Rotating

____10.One kind of motion takes Earth around the sun. Which of these words is the name for one complete trip around the sun?

A. / Innovation
B. / Revolution
C. / Rotation
D. / Vibration

____11.One of Earth’s motions causes it to have four seasons. Which of these motions causes Earth to have four seasons?

A. / revolving
B. / rotating
C. / spinning
D. / Vibrating

____12.Lina made this drawing of Earth and the sun.

Which sentence describes what Elena showed in the picture?

A. / Earth has an equator.
B. / Earth has four moons.
C. / Earth rotates on its axis.
D. / Earth revolves around the sun.

____13.This picture shows that Earth’s axis always points in the same direction in space. Look at the part of the axis that is on top of Earth as you answer the question.

Which way does the axis that comes from the top of Earth point in summer?

A. / away from the sun
B. / straight up into space
C. / at another star in space
D. / in the direction of the sun

____14.The weather where you live changes as the seasons change. Which of these kinds of weather do you usually see when your part of Earth points away from the sun?

A. / hot and dry
B. / mild and wet
C. / cold and snowy
D. / warm and stormy

____15.The full moon is the brightest object in the night sky. What causes the full moon to shine?

A. / It makes its own light.
B. / It reflects light from Earth.
C. / It makes shadows on stars.
D. / It reflects light from the sun.

____16.There are many phases of the moon. Which phase of the moon comes between the new moon and the first-quarter moon?

A. / the full moon
B. / third-quarter moon
C. / a crescent moon
D. / a waning moon

____17.Every night, the lighted part of the moon appears to change slightly by either getting larger or getting smaller. Which of these words describes the moon when it is getting larger?

A. / crescent
B. / gibbous
C. / waning
D. / waxing

____18.Kim drew this picture to show how the moon looked one night.

Which word is the term for a moon with this shape?

A. / Crescent
B. / Full
C. / New
D. / Quarter

____19.The moon looks to be a different size in different phases. Which is the pair of phases in which the moon looks about the same size?

A. / full moon and new moon
B. / full moon and first-quarter moon
C. / new moon and third-quarter moon
D. / first-quarter moon and third-quarter moon

____20.The moon causes changes in the height of the ocean water on Earth. Which of these words is the term for these changes in the height of ocean water?

A. / breakers
B. / phases
C. / tides
D. / waves

____21.The ocean sometimes comes farther up onto the beach than on the other side. How does the moon cause the height of ocean water to change?

A. / The moon’s light shines on the water.
B. / The moon’s gravity pulls on the water.
C. / The moon’s motion adds energy to the water.
D. / The moon’s surface sends sounds to the water.

____22.The best way to see the moon’s effect on Earth’s oceans is to look down on Earth from over the North Pole.

Which of these would you see in the night sky if you were on a beach at high tide?

A. / no moon
B. / full moon
C. / new moon
D. / quarter moon

____23.Some resources are renewable. Which resource is renewable?

A. / Coal
B. / Gasoline
C. / Soil
D. / Trees

____24.Jana wants to conserve natural resources. Which lists three ways that Koji can conserve natural resources?

A. / recycle, reduce, replace
B. / reduce, replace, retake
C. / replace, recycle, reuse
D. / reuse, reduce, recycle

____25.Look at the picture.

What does this picture show?

A. / one way that fossil fuels are used
B. / one way to clean up water pollution
C. / one way to recycle natural resources
D. / one way people use a renewable resource

____26.Mrs. Chan recycles paper. Which resource does she conserve?

A. / Coal
B. / Fish
C. / Trees
D. / Wind

____27.Which is something that comes from nature that people can use?

A. / Conservation
B. / Fuel
C. / a natural resource
D. / Pollution

____28.Rana’s family conserves. What is conservation?

A. / putting harmful substances into the environment
B. / using up natural resources
C. / saving resources by using them wisely
D. / making fuels from the remains of once-living organisms

____29.What is a renewable resource?

A. / a resource that can be used up.
B. / a resource that can be replaced easily.
C. / something in nature that people can use.
D. / harmful substances in the environment.

____30.Which type of pollution is this?

A. / air pollution
B. / land pollution
C. / noise pollution
D. / water pollution

____31.Look at this data table.

How Long Materials Take to Rot Away in a Landfill

Material / Months
Newspaper / 1
Cotton / 6
Rope / 12
Tin / 1200
Glass / 6000

Which material is most harmful to the environment?

A. / glass
B. / Newspaper
C. / Rope
D. / tin

____32.The particles of rock in soil are different sizes. Which list shows rock particles in soils in order from biggest particles to the smallest particles?

A. / clay, sand, silt
B. / clay, silt, sand
C. / sand, silt, clay
D. / silt, clay, sand

____33.Which material is a mixture of water, air, pieces of rock, and dead plants and animals?

A. / Humus
B. / Nutrients
C. / sand
D. / Soil

____34.Soil that has decomposing plants and animals is fertile. Which word describes a mixture of decomposing plants and animals?

A. / Clay
B. / Humus
C. / Sand
D. / Silt

____35.Gan dug up a sample of soil from his backyard. How could he find out if the soil is sand or silt?

A. / observe how fertile the samples are
B. / test the amount of nutrients in the samples
C. / observe the size of the particles in the samples
D. / measure the amount of water in the samples

____36.Look at this diagram.

Which layer of soil is labeled with the letter A?

A. / Bedrock
B. / Humus
C. / Subsoil
D. / Topsoil

Look closely at this picture of Earth in four different places in its orbit around the sun, the reasons we have different seasons is that the axis of earth is………………..

Study the table. List 3 ways to reduce the amount of some of the trash that is produced.

6.You are given 2 soil samples and are asked to find which sample has more sand in it. You cannot find the answer by looking at the samples. Tell how you would set up an investigation to find out which sample has more sand in it. Explain why your investigation will give you the answer.

7.Frances wants to grow tomatoes. The area that she chose for her tomato plants has clay soil. Why would this area not be good for growing tomatoes? If she must plant the tomatoes there, what can she do to prepare the soil?