Section One: Water on Earth

Question 1

All living things need ___ to carry out their body processes.

Answer 1

Water.

Question 2

Water allows organisms to…

Answer 2

Break down food, grow, reproduce, and get and use materials they need from their environments.

Question 3

Algae and plants use water, along with carbon dioxide and energy from the sun to…

Answer 3

Make own food, photosynthesis.

Question 4

The place where an organism lives, and obtains all the things it needs to survive.

Answer 4

Habitat.

Question 5

Whats the percent of Earths salt water?

Answer 5

97%

Question 6

What is the percent of Earths fresh water?

Answer 6

3%

Question 7

Of that percent two-thirds is what?

Answer 7

Frozen in huge masses.

Question 8

What are the names are used for the different parts of the ocean?

Answer 8

Pacific, Indian, Arctic, Atlantic.

Question 9

What is the largest ocean?

Answer 9

Pacific.

Question 10

Which ocean is the second largest?

Answer 10

Atlantic.

Question 11

What is the deepest ocean?

Answer 11

Indian.

Question 12

Much of Earths fresh water is ________.

Answer 12

Frozen into sheets of ice.

Question 13

Floating chunks of ice made of fresh water that break off of sheets of ice.

Answer 13

Icebergs.

Question 14

Contains about 20% of all the water in the worlds freshwater lakes.

Answer 14

North America’s great lakes.

Question 15

Water that fills the cracks and spaces in the underground soil and rock layers.

Answer 15

Groundwater.

Question 16

The four main sources of fresh water.

Answer 16

Ice, groundwater, lakes, rivers.

Question 17

Which freshwater source is most important to people.

Answer 17

Lakes and rivers.

Question 18

Continuous process by which water moves from Earth’s surface to the atmosphere and back.

Answer 18

Water Cycle.

Question 19

The process by which molecules at the surface of a liquid absorbs enough energy to change into a gas.

Answer 19

Evaporation.

Question 20

Water is given off into the leaves as a water vapor in a process called..

Answer 20

Transpiration.

Question 21

Water that falls to Earth as rain, hail, sleet, snow.

Answer 21

Precipitation.

Question 22

What are the 4 examples of precipitation?

Answer 22

Hail, sleet, snow, rain.

Question 23

What are the steps of the water cycle?

Answer 23

It turns into a gas. (evaporation)
The water is given off through the leaves. (transpiration)
It (condenses) rises to clouds.
It comes down as rain, hail, snow, or sleet. (precipitation)