Earth's Water: An Interactive Learning Quiz for 2nd Graders

Question 1

Which of the following is NOT a part of the Earth's hydrosphere?

Accepted Answer

Mountains

Answer

Oceans

Answer

Rivers

Answer

Lakes

Question 2

How does water turn from a liquid to a gas?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Precipitation

Answer

Sublimation

Question 3

Why are the oceans salty?

Accepted Answer

Minerals from rocks dissolve in the water.

Answer

Salt is brought in by rivers.

Answer

Salt is made by the sun.

Answer

Salt comes from volcanoes.

Question 4

Which of these is not a part of the Earth's water systems?

Accepted Answer

Clouds

Answer

Oceans

Answer

Springs

Question 5

Which of these is NOT part of the Earth's hydrosphere?

Accepted Answer

Atmosphere

Answer

Rivers

Answer

Ice caps

Answer

Oceans

Question 6

Which part of the Earth is covered by a large amount of water?

Accepted Answer

Hydrosphere

Answer

Atmosphere

Answer

Geosphere

Answer

Biosphere

Question 7

Which of the following is NOT a part of the Earth's hydrosphere?

Accepted Answer

Mountains

Answer

Oceans

Answer

Lakes

Answer

Rivers

Question 8

Which of the following is the largest ocean in the world?

Accepted Answer

Pacific Ocean

Answer

Atlantic Ocean

Answer

Indian Ocean

Answer

Arctic Ocean

Question 9

What is the name of the process where water changes from a liquid to a gas?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Precipitation

Answer

Infiltration

Question 10

Which of the following is a characteristic of freshwater?

Accepted Answer

Supports fish and other water plants and animals

Answer

Contains salt

Answer

Not drinkable

Answer

Flows uphill

Question 11

What is the main cause of water pollution?

Accepted Answer

People littering and dumping waste into water sources

Answer

Natural disasters

Answer

Animal waste

Answer

Plant growth

Question 12

Which of the following is a renewable resource?

Accepted Answer

Water

Answer

Fossil fuels

Answer

Minerals

Answer

Soil

Question 13

What is NOT a part of the Earth's hydrosphere?

Accepted Answer

Atmosphere

Answer

Oceans

Answer

Rivers

Answer

Groundwater

Question 14

Which of these is the biggest ocean in the world?

Accepted Answer

Pacific Ocean

Answer

Atlantic Ocean

Answer

Indian Ocean

Answer

Arctic Ocean

Question 15

What do we call the process where water turns from a liquid into a gas?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Precipitation

Answer

Sublimation

Question 16

What do we call the process where water turns from a gas into a liquid?

Accepted Answer

Condensation

Answer

Evaporation

Answer

Precipitation

Answer

Sublimation

Question 17

Which of these is the largest freshwater lake in the United States?

Accepted Answer

Lake Superior

Answer

Lake Michigan

Answer

Lake Huron

Answer

Lake Erie

Question 18

What is the name for all the water on and around Earth?

Accepted Answer

Hydrosphere

Answer

Atmosphere

Answer

Geosphere

Answer

Biosphere

Question 19

What is a special role of groundwater in the Earth's hydrosphere, and why is it important for living things?

Accepted Answer

Groundwater provides water for plants, animals, and humans

Answer

Groundwater seeps into oceans and rivers, increasing their volume

Answer

Groundwater helps to regulate the Earth's temperature

Answer

Groundwater creates fertile soil

Question 20

Which of these is NOT a part of the Earth's hydrosphere?

Accepted Answer

Mountains

Answer

Oceans

Answer

Lakes

Answer

Groundwater

Question 21

Which is the largest part of the Earth's hydrosphere?

Accepted Answer

Oceans

Answer

Lakes

Answer

Rivers

Answer

Ice caps

Question 22

What is the name for the process where water turns into a gas and enters the atmosphere?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Precipitation

Answer

Transpiration

Question 23

What is the name of the longest river in the United States of America?

Accepted Answer

Mississippi River

Answer

Colorado River

Answer

Amazon River

Answer

Nile River

Question 24

Which of the following is part of the Earth's hydrosphere?

Accepted Answer

Oceans

Answer

Mountains

Answer

Deserts

Answer

Forests

Question 25

What is the name of the largest ocean on Earth?

Accepted Answer

Pacific Ocean

Answer

Atlantic Ocean

Answer

Indian Ocean

Answer

Arctic Ocean

Question 26

Which of the following is NOT a type of freshwater ecosystem?

Accepted Answer

Ocean

Answer

Lake

Answer

Pond

Answer

Stream

Question 27

What is the process by which water turns from a liquid into a gas?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Precipitation

Answer

Runoff

Question 28

Which of the following is a human activity that can make water dirty?

Accepted Answer

Throwing trash in rivers and lakes

Answer

Planting trees

Answer

Conserving water

Answer

Recycling

Question 29

What is the name of the force that pulls water molecules toward the center of the Earth?

Accepted Answer

Gravity

Answer

Buoyancy

Answer

Surface tension

Answer

Capillary action

Question 30

What is the main difference between a river and a lake?

Accepted Answer

A river flows, while a lake does not.

Answer

A lake is larger than a river.

Answer

A river has saltwater, while a lake has freshwater.

Answer

A lake is man-made, while a river is natural.

Question 31

Which part of the Earth's hydrosphere is the largest?

Accepted Answer

Oceans

Answer

Lakes

Answer

Rivers

Answer

Groundwater

Question 32

What is the name for the water that sinks underground and fills the spaces between rocks and soil?

Accepted Answer

Groundwater

Answer

Surface water

Answer

Rainwater

Answer

Lake water

Question 33

Which animal lives in the ocean?

Accepted Answer

Shark

Answer

Lion

Answer

Elephant

Answer

Dog

Question 34

What process changes water from a liquid to a gas?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Precipitation

Answer

Infiltration

Question 35

Which action pollutes water?

Accepted Answer

Littering

Answer

Planting trees

Answer

Recycling

Answer

Conserving water

Question 36

What is the name of the vast salty body of water that covers most of the Earth?

Accepted Answer

Ocean

Answer

Lake

Answer

River

Answer

Pond

Question 37

What is the name of the underground layer that holds water?

Accepted Answer

Aquifer

Answer

Atmosphere

Answer

Biosphere

Answer

Geosphere

Question 38

What process changes water from a gas to a liquid?

Accepted Answer

Condensation

Answer

Evaporation

Answer

Precipitation

Answer

Sublimation

Question 39

Which of these is NOT a step in the water cycle?

Accepted Answer

Plants absorbing water

Answer

Evaporation

Answer

Condensation

Answer

Precipitation

Question 40

Which of these actions helps save the most water?

Accepted Answer

Taking shorter showers

Accepted Answer

Fixing leaky faucets

Answer

Watering the lawn daily

Question 41

What is NOT part of the Earth's hydrosphere?

Accepted Answer

The air around us

Answer

Oceans

Answer

Lakes

Answer

Groundwater

Question 42

Which of these is NOT part of the Earth's hydrosphere?

Accepted Answer

Mountains

Answer

Oceans

Answer

Rivers

Answer

Groundwater

Question 43

What is the biggest part of the Earth's hydrosphere?

Accepted Answer

Oceans

Answer

Lakes

Answer

Rivers

Question 44

What is the name for a body of flowing water that flows from a higher place to a lower place?

Accepted Answer

River

Answer

Lake

Answer

Ocean

Answer

Groundwater

Question 45

Which part of the water on Earth is found underground?

Accepted Answer

Groundwater

Answer

Ocean

Answer

Lake

Question 46

When water changes from a liquid to a gas, it is called:

Accepted Answer

Evaporation

Answer

Condensation

Answer

Precipitation

Answer

Sublimation

Question 47

What is the name of the process when water vapor in the air changes back into liquid water?

Accepted Answer

Condensation

Answer

Evaporation

Answer

Sublimation

Answer

Precipitation

Question 48

What do we call the area of land that is drained by a river and its smaller streams?

Accepted Answer

Watershed

Answer

Delta

Answer

Wetland

Answer

Aquifer