Fresh & Salt Water Systems Flashcards Preview

Science 8 > Fresh & Salt Water Systems > Flashcards

Flashcards in Fresh & Salt Water Systems Deck (13)
Loading flashcards...
0
Q

What percentage is Salt Water? Where is it found?

A
97%
Oceans
Seas
Waves
Tides
1
Q

What percentage of Water is Fresh? Where is it?

A

3%

Lakes and Ponds, Running Water

2
Q

Where is Frozen Water?

A

Ice Caps

Glaciers

3
Q

What is Potable Water?

A

Fresh water

4
Q

What is Salinity?

A

Salt Content

5
Q

How can you purify Water?

A

Distillation, Evaporation. Filtration. Reverse Osmosis

6
Q

What are forms of pollution in Water Systems?

A
Agriculture, Fertilizer, Pesticides, Turbidity
Forestry
Water treatmetnt, Septic tanks
Ground Water, Aquifer
Surface Water, OIl Spills
7
Q

From the Continental drift theory, what are on the ocean bottoms along Tectonic Plates?

A

Trenches

Ridges

8
Q

What are evident from retreating Glaciers?

A

Eskers, Kettle Lakes, Moraines, Erratic, Drumlins

9
Q

What are Eskers?

A

A long ridge of gravel and other sediment, winding, deposited by meltwater from a retreating glacier

10
Q

What is a Kettle Lake?

A

Isolated body of water left form melted glaciers

11
Q

Dumlins

A

Teardrop shped hills left from glaciers

12
Q

What is an Eratic?

A

Piece of Rock which was carried by a glacier. eg, Big Rock , Okotoks