Fresh And Saltwater Systems Chapter.1

Question 1

Where is most our fresh water on earth?

Answer 1

77% is in ice and glaciers
22% is groundwater
1% is water is lakes,rivers and wetlands

Question 2

What percent of water is salt and what is fresh?

Answer 2

97% is saltwater
3% is freshwater
0.0009% is in the atmosphere

Question 3

Is are the biggest rivers in Alberta?

Answer 3

Hay, peace and Athabasca rivers

Question 4

What is earth sometimes called?

Answer 4

It’s often called the “water planet” or the “blue planet” because water makes up 74% of its surface

Question 5

How much water does Canada have?

Answer 5

Canada has 9% of all the worlds fresh water. We have over 2 million lakes.

Question 6

How many people don’t get clean water?

Answer 6

Over 1 billion people drink dirty water everyday because they can’t get clean water. 3 to 5 million people die each year from not getting enough clean water.

Question 7

How do people die from unsafe water?

Answer 7

Most of them die from disease carried by local water supply. The disease may be caused by bacteria, viruses, or small parasites In water.

Question 8

Salinity

Answer 8

The total amount of all salts dissolved in water

Question 9

How much salt is in seawater?

Answer 9

Salinity in seawater is 3.5%. Seawater also contains many other substances in much smaller amounts like gold and silver

Question 10

What is the solution in seawater?

Answer 10

96.5% water
3.5% dissolved salts-
In the salts-
30.6% sodium
55% chloride
7.7% sulphate
3.7% magnesium
1.2% calcium
1.1% potassium
0.7 other

Question 11

Hard water

Answer 11

Hard water can be found on earths surface and underground. As it flows it dissolves minerals from the soil and rocks it passes through. One of these minerals are salt others are high concentration of calcium and magnesium

Question 12

What are the organisms in water?

Answer 12

Fresh water contains organism and other matter that be harmful and sometime not. Some organism that can be found in water are E.coli our water treatment process prevent these organism from becoming a problem

Question 13

Salinity

Answer 13

The total amount of all salts dissolved in water

Question 14

How much salt is in seawater?

Answer 14

Salinity in seawater is 3.5%. Seawater also contains many other substances in much smaller amounts like gold and silver

Question 15

What is the solution in seawater?

Answer 15

96.5% water
3.5% dissolved salts-
In the salts-
30.6% sodium
55% chloride
7.7% sulphate
3.7% magnesium
1.2% calcium
1.1% potassium
0.7 other

Question 16

Hard water

Answer 16

Hard water can be found on earths surface and underground. As it flows it dissolves minerals from the soil and rocks it passes through. One of these minerals are salt others are high concentration of calcium and magnesium

Question 17

What are the organisms in water?

Answer 17

Fresh water contains organism and other matter that be harmful and sometime not. Some organism that can be found in water are E.coli our water treatment process prevent these organism from becoming a problem

Question 18

How do they see water quality?

Answer 18

They flirted it and treat it with chemicals

Question 19

Committed water processing

Answer 19

Water fro lakes, rivers or under ground is pumping into a treatment plant there it passes through a series of stages that gradually make it cleaner and cleaner

Question 20

9 things in blue box

Answer 20

• taste and odour
• turbidity (cloudiness)
• toxic substances and other pollutants
• bacteria
• hardness or material content
• pH
• dissolved oxygen
• solids, including floating materials
• dissolved solids