Water

Question 1

How much of the earth’s water is fresh?

Answer 1

3%

Question 2

2/3 of fresh water is stored in…

Answer 2

ice caps, glaciers, and snowpacks

Question 3

___ of the earth’s water is salt, over ___ is underground/ice, ess than___ is available as surface freshwater

Answer 3

95%, 99%, 1%

Question 4

What influences the rate of evaporation at the ocean’s surface?

Answer 4

Sea surface temps, surface winds, and temps

Question 5

The Amazon Rainforest produces ___ of oxygen and absorbs ___ of CO2

Answer 5

20% for both

Question 6

________ of water is released by the Amazon forests

Answer 6

20 billion tonnes

Question 7

___ of irrigation in Brazil is from rainfal

Answer 7

95%

Question 8

________ is the most destructive form of deforestation and _________ is the method of choice

Answer 8

Cattle ranching, fire

Question 9

Over ____ forest fires in Brazil in 2015

Answer 9

235 000

Question 10

Main tech to access water

Answer 10

• Digging wells to retrieve groundwater
• Collecting rainwater
• Removing salt (desalination) to get fresh water from the ocean

Question 11

Groundwater

Answer 11

underground, groundwater can be found between soil particles and in rock fractures

Question 12

Aquifers

Answer 12

underground water storage reservoirs that are frequently tapped by wells

Question 13

Transpiration

Answer 13

water enters through the roots, flows upwards through vascular tubes consisting of dead cells, and evaporates through stomata in the leaves

Question 14

Evapotranspiration

Answer 14

the process where trees spray water into the air

Question 15

Residence time

Answer 15

the measurement of the average time a single water molecule spends in each of Earth’s biggest water reservoirs

Question 16

The water cycle describes…

Answer 16

the continuous movement of water on, above, and below the earth’s surface and the transition of one state to another

Question 17

Water vapor is…

Answer 17

formed in the atmosphere when the sun warms surface water and ice, causing it to evaporate and turn into gas

Question 18

______ will fall as rain or snow, as the _____ condenses into _____

Answer 18

water vapor, water vapor, clouds

Question 19

This precipitation will either…

Answer 19

flow over the earth’s surface, evaporate once again or sink into the ground