1.8: Health of our Water Systems and Sources of Water Pollution

Presentation

•

Science

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8th Grade

•

Medium

•

8.E.1.3, 8.E.1.1, 8.E.1.2

Standards-aligned

Nancy Osborne

Used 10+ times

FREE Resource

20 Slides • 13 Questions

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Multiple Choice

Water is a universal solvent because it...

It can be found anywhere

It freezes when it gets cold

floats when frozen

Dissolves most substances

Multiple Choice

How much of Earth's water is salt water?

50%

66%

75%

97%

Multiple Choice

Oceans, the atmosphere, and groundwater are all ________ in the water cycle.

Nodes

Sinks

Reservoirs

Stations

Multiple Choice

Can be traced back to the point of origin.

Point Source Pollution

Non-point source pollution

Multiple Choice

Cannot easily be traced to the source of the pollution.

Point Source Pollution

Non-point source pollution

Multiple Choice

Sewage leaking from a pipe.

Point Source Pollution

Non-point source pollution

Multiple Choice

Fertilizer farm runoff

Point Source Pollution

Non-point source pollution

Multiple Choice

What is potable water?

pure water

Water that has dissolved ions in but is safe to drink

Water from an underground source

Water that is safe to wash in

Multiple Choice

How does temperature affect dissolved oxygen levels?

Higher temperatures have higher dissolved oxygen levels.

Lower temperatures of lower dissolved oxygen levels.

Higher temperatures have lower dissolved oxygen levels.

Temperature has no affect on dissolved oxygen levels.

Multiple Choice

What is dissolved oxygen?

The property of containing salt

The amount of suspended solids.

The measure of the amount of oxygen that is dissolved.

Describes how acidic or basic water is.

Multiple Choice

What can add dissolved oxygen to the water?

Photosynthesis

Decomposition

Cellular respiration of animals

All of the above

Multiple Choice

Which glass has higher turbidity?

<--- Left Glass

---> Right Glass

Multiple Choice

You would want to drink water with high turbidity

True

False

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