UNIT E: Fresh and Saltwater Systems Flashcards

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1
Q

What is Reverse Osmosis?

A

Lower concentration to Higher concentration

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2
Q

What is Distillation?

A

Technique for separating solutions that involves boiling and condensation.

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3
Q

What are waves?

A

Waves are movement on the surface of the water

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4
Q

What is diversity?

A

Variety of different kinds of species living there

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5
Q

Which type of water is for human consumption?

A

Potable water

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6
Q

What is salinity?

A

The total amount of all dissolved salts in water

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7
Q

What is the percentage of the distribution of freshwater on Earth?

A

1% Fresh and Liquid
2% Frozen and Solid
97% Salty Water

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8
Q

What is Hard Water?

A

Water with high concentration of calcium and magnesium minerals.

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9
Q

What are 2 processes that are used to change saltwater into freshwater?

A

Distillation and Reverse Osmosis

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10
Q

What are tides?

A

Regular rising and falling of large bodies of water

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11
Q

What is the movement of water particles in a wave?

A

Waves move far but the particles just make little circles, pushing the particles beside to carry the wave

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12
Q

What’s the difference between HIGH tide and LOW tide?

A

High Tides happen when the ocean is on High water level while Low Tides happen when the ocean is on Low water level.

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13
Q

Tides are caused by the gravitational force _____?

A

Moon

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14
Q

Can you name 2 Stream Characteristics?

A

1) Slope of the stream

2) The speed of the water (water flow)

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15
Q

What is a seasonal change in a population?

A

freshwater organisms

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