Module 3 Concept 1: Where does freshwater come from?

Question 1

foods that are common to many parts of the world; a food is considered a ______ when people eat it often as a source of nutrition

Answer 1

staple food

Question 2

the part of Earth that is made up of all living things

Answer 2

biosphere

Question 3

a plant grown in large quantities for a specific purpose, such as to provide food

Answer 3

crop

Question 4

a group of components that interact and depend on one another

Answer 4

system

Question 5

the part of Earth that is made up of all solid and liquid water

Answer 5

hydrosphere

Question 6

describes something that is related to Earth’s saltwater environments

Answer 6

marine

Question 7

organisms that live in marine environments

Answer 7

marine organisms

Question 8

water that falls from the clouds in the form of rain, snow, sleet, or hail

Answer 8

precipitation

Question 9

the process by which a gas such as water vapor cools to become a liquid

Answer 9

condensation

Question 10

the process by which particles on the surface of a liquid escape as a gas

Answer 10

evaporation

Question 11

the part of Earth that is made up of all the gases in Earth’s air

Answer 11

atmosphere

Question 12

the distance above Earth’s surface

Answer 12

altitude

Question 13

the part of Earth that is made up of all rock and soil

Answer 13

geosphere

Question 14

There are 3 main food staples in the world. These staple foods are called _______.

Answer 14

grains (corn, rice, wheat)

Question 15

The __________ includes all living things on Earth

Answer 15

biosphere

Question 16

All living things depend on ___________ parts of the environment to survive.

Answer 16

nonliving

Question 17

In a _________, if one part stops working, the whole ________ can fall apart.

Answer 17

system

Question 18

The ________ plants on the farms in Bali need fresh water to grow.

Answer 18

rice

Question 19

Rainwater fills _______ lakes such as Lake Batur on the side of Mount Batur.

Answer 19

crater

Question 20

Water flows down the _____________ through a system of waterways that was built more than ______ years ago. Some of the water floods each field on the side of the mountain.

Answer 20

mountainside

1000

Question 21

water covers about _____ or _____ of Earth’s surface

Answer 21

7/10 or 70%

Question 22

____ or _____ of Earth’s water is found in oceans, seas, and bays. (salt water)

Answer 22

97/100 or 97%

Question 23

____ or ____ of Earth’s water is found in the ice caps, glaciers, and snow (frozen fresh water)

Answer 23

2/100 or 2%

Question 24

____ or ____ of Earth’s water is found in lakes, rivers, water stored in the ground, ground ice, atmosphere, and other sources. (liquid fresh water)

Answer 24

1/100 or 1%

Question 25

ALL the water on Earth, only _____ is fresh water

Answer 25

3/100 or 3%

Question 26

The ____________ is made up of all the water on Earth

Answer 26

hydrosphere

Question 27

Most of Earth’s liquid water is _____ and found in the ocean. A very small amount is fresh water.

Answer 27

salty

Question 28

Some organisms need _____ water to survive, others need ____ water. Some organisms can survive in both.

Answer 28

fresh

salt

Question 29

Since almost all of Earth’s water is _____ water, there is plenty of _____ water available for marine organisms. Only a small amount of water is liquid freshwater, so very little fresh water is available to organisms that need it. Organisms that depend on freshwater must share the small amount of freshwater on Earth.

Answer 29

salt

Question 30

Oceans, seas, and bays are all _____ environments. The organisms that live in those environments are called ______ organisms.

Answer 30

marine

Question 31

When heat is applied to salt water, some of the salt water ______ and becomes water vapor. As the water vapor rises, it cools and turns back in to liquid water. This is called _______. Then the drops of water fall back to the Earth as ______.

Answer 31

evaporates
condensation
precipitation

Question 32

Clouds are made of tiny _____ or ______ that are light enough to float in the sky.

Answer 32

water droplets

ice crystals

Question 33

As height above the ground increases, the temperature _________. The higher the altitude, the colder the air temperature.

Answer 33

decreases

Question 34

Water vapor in the air can only form a cloud if there is something on which to ______.

Answer 34

condense (there are a lot of particles in the air for water vapor to condense on)

Question 35

For ________ to occur, clouds need a certain amount of water vapor to condense in one place.

Answer 35

precipitation

Question 36

Because clouds can hold a lot of water vapor and move around, clouds can bring water to _________.

Answer 36

different places