Earth's Systems: Interactive Learning Quizzes for 3rd Grade Science

Question 1

Which system includes all the water on and around the Earth, from the oceans to the clouds?

Accepted Answer

Hydrosphere

Answer

Atmosphere

Answer

Geosphere

Answer

Biosphere

Question 2

What part of the Earth consists of the solid land and rocks that we live on?

Accepted Answer

Geosphere

Answer

Atmosphere

Answer

Hydrosphere

Answer

Biosphere

Question 3

Which Earth system includes all living things, from the smallest bacteria to the largest whales?

Accepted Answer

Biosphere

Answer

Atmosphere

Answer

Hydrosphere

Answer

Geosphere

Question 4

What is the name of the process where water from the Earth's oceans and lakes evaporates and then falls back to the Earth as rain or snow?

Accepted Answer

Water cycle

Answer

Photosynthesis

Answer

Respiration

Answer

Erosion

Question 5

Which gas is the most in the Earth's atmosphere?

Accepted Answer

Nitrogen

Question 6

What is the main source of heat for the Earth's atmosphere?

Accepted Answer

The sun

Answer

The moon

Question 7

Which of these is a major ocean current?

Accepted Answer

The Gulf Stream

Answer

The Amazon River

Question 8

Which layer of the Earth's atmosphere protects us from harmful radiation?

Accepted Answer

Stratosphere

Question 9

Which of these is NOT a type of rock?

Accepted Answer

Plastic

Answer

Sedimentary

Question 10

Which of these is NOT one of Earth's major parts?

Accepted Answer

People

Answer

Atmosphere

Answer

Hydrosphere

Answer

Geosphere

Question 11

What's the process when water turns from a liquid to a gas in the atmosphere?

Accepted Answer

Evaporation

Answer

Precipitation

Answer

Condensation

Answer

Transpiration

Question 12

Which type of rock forms from cooled and hardened lava or magma?

Accepted Answer

Igneous

Answer

Sedimentary

Answer

Metamorphic

Answer

Crustal

Question 13

Which of these is a source of energy that can be replaced naturally?

Accepted Answer

Solar energy

Answer

Oil

Answer

Coal

Answer

Natural gas

Question 14

What is the name of the force that pulls objects towards Earth's center?

Accepted Answer

Gravity

Answer

Magnetism

Answer

Wind

Answer

Friction

Question 15

Which of the following is NOT a type of weather?

Accepted Answer

Earthquake

Answer

Sunny

Answer

Rainy

Answer

Hurricane

Question 16

Which of these is NOT found in Earth's atmosphere?

Accepted Answer

Iron

Answer

Oxygen

Answer

Nitrogen

Answer

Carbon dioxide

Question 17

What is the name of the Earth's layer made up of rocks, soil, and minerals?

Accepted Answer

Geosphere

Answer

Atmosphere

Answer

Hydrosphere

Answer

Biosphere

Question 18

Which of these is the biggest ocean on Earth?

Accepted Answer

Pacific Ocean

Answer

Atlantic Ocean

Answer

Indian Ocean

Answer

Arctic Ocean

Question 19

What do we call the process where water from oceans and lakes turns into vapor and goes up into the air?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Precipitation

Answer

Transpiration

Question 20

Which of these is a renewable resource?

Accepted Answer

Water

Answer

Fossil fuels

Answer

Minerals

Answer

Metals

Question 21

What is the name of the force that pulls everything towards the center of the Earth?

Accepted Answer

Gravity

Answer

Magnetism

Answer

Friction

Answer

Electromagnetism

Question 22

Which of these is NOT a good way to save water?

Accepted Answer

Watering the lawn more often

Answer

Taking shorter showers

Answer

Fixing leaky faucets

Answer

Collecting rainwater in a barrel

Question 23

What is the name of the process where plants use sunlight, water, and carbon dioxide to make their own food?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Transpiration

Answer

Decomposition

Question 24

What do we call the layer of gases surrounding our planet?

Accepted Answer

Atmosphere

Answer

Hydrosphere

Answer

Geosphere

Answer

Biosphere

Question 25

Scientists want to study the geosphere. Which experiment would be the best way to do this?

Accepted Answer

Build a model of the Earth's crust using different materials to represent different rock types.

Answer

Measure the temperature of the air at different heights above the ground.

Answer

Collect samples of water from different sources and test their pH levels.

Question 26

What is the name of the layer of gases that surrounds the Earth?

Accepted Answer

Atmosphere

Answer

Lithosphere

Answer

Hydrosphere

Answer

Biosphere

Question 27

What is the process called when water from the ocean turns into clouds?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Precipitation

Answer

Sublimation

Question 28

What is the name of the force that pulls objects towards the center of the Earth?

Accepted Answer

Gravity

Answer

Friction

Answer

Magnetism

Answer

Inertia

Question 29

Which of the following is a renewable energy source?

Accepted Answer

Solar energy

Answer

Oil

Answer

Natural gas

Answer

Coal

Question 30

What is the process by which plants make their own food using sunlight, air, and water?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Transpiration

Answer

Decomposition

Question 31

What causes the Earth to have different seasons?

Accepted Answer

Earth's tilt

Answer

Earth's orbit

Answer

Sun's heat

Answer

Moon's gravity

Question 32

Which layer of the Earth's atmosphere is closest to the Earth's surface?

Accepted Answer

Troposphere

Answer

Stratosphere

Answer

Mesosphere

Answer

Thermosphere

Question 33

What is the process by which water turns into vapor and rises into the atmosphere?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Precipitation

Answer

Transpiration

Question 34

Which of these is a type of rock that is formed from cooled and hardened lava or magma?

Accepted Answer

Igneous

Answer

Sedimentary

Answer

Metamorphic

Answer

Hybrid

Question 35

What is the name of the phenomenon that causes the Moon's phases?

Accepted Answer

Sunlight reflection

Answer

Lunar eclipse

Answer

Solar eclipse

Answer

Earth rotation

Question 36

Which of these is a safety precaution to follow when observing the Sun?

Accepted Answer

Use a solar filter

Answer

Look directly at the Sun with sunglasses

Answer

Never look at the Sun

Answer

Use binoculars to magnify the Sun

Question 37

What are the three main ways the atmosphere helps life on Earth?

Accepted Answer

It provides us with the air we breathe.

Accepted Answer

It protects us from the sun's harmful rays.

Accepted Answer

It helps to keep Earth's temperature just right.

Question 38

Which of these is NOT a major system of the Earth?

Accepted Answer

Solar System

Answer

Hydrosphere

Answer

Geosphere

Answer

Atmosphere

Question 39

Which Earth system contains all the water on the planet?

Accepted Answer

Hydrosphere

Answer

Geosphere

Answer

Biosphere

Answer

Atmosphere

Question 40

What is the name of the thin layer of gases that surrounds the Earth?

Accepted Answer

Atmosphere

Answer

Geosphere

Answer

Biosphere

Answer

Hydrosphere

Question 41

Which of the following processes happens in the atmosphere?

Accepted Answer

Evaporation

Answer

Erosion

Answer

Plate tectonics

Answer

Photosynthesis

Question 42

What is the name of the solid part of the Earth?

Accepted Answer

Geosphere

Answer

Atmosphere

Answer

Biosphere

Answer

Hydrosphere

Question 43

What is the process by which rocks are broken down into smaller pieces called?

Accepted Answer

Weathering

Answer

Compaction

Answer

Deposition

Answer

Erosion

Question 44

How are mountains formed?

Accepted Answer

By the movement of Earth's tectonic plates

Answer

By the stacking of sediment

Answer

By the carving of glaciers

Answer

By the growth of plants

Question 45

Which of the following is an example of how the atmosphere and hydrosphere interact?

Accepted Answer

Evaporation

Answer

Erosion

Answer

Volcanism

Answer

Photosynthesis

Question 46

How do the Earth's systems support life?

Accepted Answer

By providing the resources living things need to survive

Answer

By preventing natural disasters

Answer

By regulating the Earth's temperature

Question 47

Which of the following is NOT a major system of the Earth?

Accepted Answer

Body System

Answer

Atmosphere

Answer

Hydrosphere

Answer

Geosphere

Question 48

Which part of the Earth contains all the water on the planet?

Accepted Answer

Hydrosphere

Answer

Geosphere

Answer

Biosphere

Answer

Atmosphere

Question 49

Which layer of the atmosphere do we breathe air from?

Accepted Answer

Troposphere

Answer

Exosphere

Answer

Stratosphere

Answer

Mesosphere

Question 50

Which of these shows an interaction between hydrosphere and geosphere?

Accepted Answer

Water carving rocks

Answer

Plants absorbing sunlight

Answer

Clouds forming in the sky

Answer

Animals breathing oxygen

Question 51

Why is it important to protect the Earth's systems?

Accepted Answer

To ensure a healthy environment for the future

Answer

To reduce crime rates

Answer

To increase economic growth