Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Science Grade 8 > Unit 1-fresh And Salt Water Sistems > Flashcards

Unit 1-fresh And Salt Water Sistems Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

What form can water be found?

A

Liquid,Solid,Gas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the steps of the water cycle?

A 
Evaporation
Condensation
Precipitation
Transportation 
Run off
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is potable water?

A

Water that is suitable for humans to drink.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is Desalination?

A

When you take water with to much salt and make it suitable for humans to drink

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is eutrophication?

A

When a body of water has to much nutrients to be healthy.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How do we measure water quality

A 
PH
Temperature 
Turbidity 
Dissolved Oxygen 
Phosphates 
Nitrates
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is a bioindicator?

A

A bioindicator is living things that tells us the status of a ecosystem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are some examples of invertebrates that indicate good water quality?

A

Mayflies
Caddisflies
Stoneflies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the difference between the ice caps in the North Pole and the South Pole

A

North Pole: salt ice sheet floating on the ocean

South Pole: fresh water ice on top of land

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How will warming temperatures effect both the poles differently?

A

The ocean absorbs more sun than land so the ocean melts the ice of the North Pole faster than the South Pole.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What role does the poles play in keeping the temperature on Earth cooler

A

The ice reflects most of the Suns rays so it keeps the Earth cool but if they weren’t there the Earth would absorb all the Rays making it much hotter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How are glaciers formed

A

The snow eventually piles up and the pressure of the snow on top makes the bottom turn to ice.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is a Moraine?

A

Moraines are made from rubble left behind by glaciers.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the three types of moraines

A

Terminal moraine
Lateral Moraine
Medial Moraine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is a drumlin

A

An oval mound or small hill of rock that was made by past glacial action

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is a Esker

A

A long ridge of sediment and gravel that usually has a winding course caused by a retreating glacier

17
Q

What is a erratic

A

A rock or Boulder that is thought to have been brought from a distance by a glacier.

18
Q

What is a Kame

A

Is a hill of gravel made by past glacial movement

19
Q

What is a kettle

A

A dip in the ground made by a glacier. When water is in it its called a kettle lake.

20
Q

What are striations

A

Scratches cut into beadrock by glacial movement

21
Q

What is a outwash plain

A

Is a plain formed by glacial sediments deposited by meltwater.

22
Q

What are Crevasses

A

Deep cracks in glaciers that are sometimes as deep as the glacier

23
Q

What is a Arête

A

An arête is a thin ridge of rock separating a u shaped valley

24
Q

What is a Horn

A

A horn is a sharply pointed mountain peak due to multiple glaciers diverging

25
Q

What is a Cirque

A

A bowl shaped depression on the side or near mountains caused by glacial movement

26
Q

What are the four types of plate movements

A

Divergent boundaries
Convergent boundaries
subduction boundaries
Transform boundaries

27
Q

How are ocean vents made

A

Diverging boundaries

28
Q

How are ocean trenches made

A

Converging and subduction boundaries

Science Grade 8 (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions