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Science8 > Unit E > Flashcards

Unit E Flashcards

1
Q

How much of the World’s fresh water is found in Canada?

A

9%

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2
Q

How many watersheds in Alberta?

A

7

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3
Q

Artificial lake?

A

Reservoir

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4
Q

Which basin are Calgary and Edmonton a part of?

A

Calgary: south saskatchewan, Edmonton: North Saskatchewan

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5
Q

What percentage of earths water is fresh?

A

3%

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6
Q

What percentage of Earths water is ice?

A

77%

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7
Q

What percentage of earths water is ground water?

A

22%

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8
Q

What percentage if water is potable?

A

0.003%

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9
Q

Hard water?

A

Water with high concentration of dissolved minerals such as magnesium and calcium

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10
Q

Movements on the surface of the water?

A

Waves

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11
Q

What is the regular amount of low tides and high tides per day?

A

2 low tides and 2 high tides

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12
Q

What causes tides?

A

Gravitational force of moon

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13
Q

Where does a river flow into if it is west of the continent divide?

A

Pacific Ocean

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14
Q

Where does a river flow into if it is east of the continent divide?

A

Arctic or Atlantic ocean

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15
Q

What are sea mounts?

A

Underwater volcanoes

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16
Q

What are trenches?

A

2 plates diverge and a thinner oceanic plate goes below the thicker continental plate

17
Q

Mid ocean ridges?

A

When molten rock creates new crust

18
Q

What is formed from gravel and rocks from glacier deposits?

A

Moraines

19
Q

1st and 2nd most diverse ecosystems in the world?

A

Tropical rainforests and coral reefs

20
Q

2/3 of all the major types of organisms in the world live all or part of their lives in ________ water.

A

Salt

21
Q

Where do plants stop growing?

A

Upper zone

22
Q

Where can you find frogs?

A

Upper zone

23
Q

Where can you find phytoplankton?

A

Middle zone

24
Q

What is like the shore in the ocean?

A

Intertidal zone

25
Q

1 of the most diverse ecosystems?

A

Estuary

26
Q

Where can brackish water be found?

A

Estuary

27
Q

What is alkaline water?

A

Water with high concentrations of carbonates and bicarbonates

28
Q

How much of the world’s water is used for agriculture?

A

73%

29
Q

How much of the world’s water is used for industries?

A

22%

30
Q

How much of the worlds water is used for domestic purposes?

A

5%

31
Q

What can cause excessive plant growth?

A

Runoff from farms which contain fertilizers

32
Q

What do sewages have in their runoff?

A

Nitrogen

33
Q

Which source provides the most potable water?

A

Fresh-water lakes

Science8 (5 decks)

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