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Science Unit Cards > 4.1 Water in our Worlds > Flashcards

4.1 Water in our Worlds Flashcards

1
Q

How much of earth is covered in water?

A

71%

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2
Q

How much of earths water percentage is salt?

A

97.2%

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3
Q

How much of earth’s fresh water is solid?

A

2.2%

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4
Q

How much of earth’s fresh water is liquid?

A

0.6%

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5
Q

True or False: Fresh water means that the water is drinkable

A

False

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6
Q

What does untreated fresh water contain?

A

Dissolved chemicals and microorganisms

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7
Q

What is the salinity of the world’s salt water?

A

About 3.5%

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8
Q

What is salinity?

A

The average salt concentration in water

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9
Q

Where can salt water be found?

A

Swamps, Marshes, Lakes and Estuaries

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10
Q

How are salt swamps and marshes created?

A

When ocean water fills low lying areas or depressions

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11
Q

What are salt swamps dominated by?

A

They have many trees and dominated by grass

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12
Q

Where can you find fresh water?

A

Glaciers, Lakes, Marshes, Bogs and Swamps

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13
Q

What do wetlands do?

A

They filter fresh water and moderate water levels during floods and droughts

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14
Q

Swamps are dominated by?

A

Trees

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15
Q

Marshes are dominated by?

A

Grass

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16
Q

Bogs are dominated by?

A

Moss

17
Q

The 3 states of Water are?

A

Solid, Liquid, and Gas

18
Q

Examples of solid forms of water…

A

Snow, Glaciers and Ice Caps

19
Q

Examples of gas forms of water…

A

Vapour, Fog and Clouds

20
Q

What is meltwater?

A

Water that is melted off of a glacier

21
Q

What is transpiration?

A

When, almost all of the water that is inhaled by the roots passes out through the leaves. Plants exhale a lot of moisture into the air

22
Q

True or False: Humans and Animals inhale a lot of water vapour

A

True

23
Q

True or False: Plants absorb water from moisture in the air just like the head-stander beetle

A

True

Science Unit Cards (6 decks)

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