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Ecology Ch 4

Ecology Ch 4

Assessment

Presentation

•

Science

•

7th - 8th Grade

•

Hard

•
NGSS
MS-ESS2-4, MS-PS1-2, MS-LS2-3

Standards-aligned

Created by

Kimberly Whitaker

Used 1+ times

FREE Resource

60 Slides • 17 Questions

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Ecology Ch 4

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38

Multiple Select

Water is scarce on Earth

1

True

2

False

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Multiple Choice

Salt water accounts for what percent of Earth’s water?

1

50%

2

75%

3

89%

4

97%

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Multiple Choice

What is water stored in the soil and rock beneath Earth’s surface?

1

Groundwater

2

Drinking water

3

Reservoir

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Multiple Select

Water pollution is a direct result of humans

1

True

2

False

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Multiple Choice

What are chemicals that kill crop-destroying organisms?

1

Pesticides

2

Farm Chemicals

3

Bug Killer

4

Weed Killer

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Multiple Select

Sewage is water and human wastes that are washed down (select all that apply)

1

Sinks

2

Showers

3

Toilets

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Multiple Choice

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What word means the solid particles that have settled out during the sedimentation process.
1
sediment
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solubility
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settlement
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solidifying

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Multiple Select

Select ALL of the areas that create water pollution.

1

Industries

2

Mines

3

Factories

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Oil Spills

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Multiple Choice

Effective cleanup of oil and gasoline spills, proper sewage treatments, and reduction of pollutants need to happen to reduce what?

1

Air Pollution

2

Water Pollution

3

Oil Pollution

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Multiple Select

When the water is clean where is it returned to?

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Our taps.

2

The sea.

3

The river.

4

The reservoir.

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Multiple Select

What is the sewage network?

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The place where water is cleaned before being returned to rivers.

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The pipes that carry sewage (dirty water) from our houses to the sewage treatment plant.

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The place where all our sewage is cleaned.

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The place where water is cleaned before being returned to our taps.

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Multiple Select

What is a sewage treatment plant?

1

The place where water is cleaned, filtered and tested before re-entering the water cycle.

2

The place where water is cleaned, filtered and tested before going to our houses.

3

The network of pipes that carry sewage (dirty water) from our houses.

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The place where water is bottled for drinking.

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Multiple Choice

Preliminary treatment

1

prevents toxic chemicals.

2

removes large objects.

3

is unnecessary.

4

is useless.

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Multiple Choice

What gas must be maintained at precise levels in the aeration tank?
1
CO2
2
O2
3
H2
4
CO

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Multiple Choice

Bacteria are beneficial to wastewater treatment because
1
they naturally break down organic matter
2
they help solid material to settle out of the wastewater
3
the nutrients produced are beneficial to the treated water
4
they aren't beneficial

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Multiple Choice

Which substance is used in a sewage treatment system to kill harmful bacteria?

1

ammonia

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chlorine

3

sand

4

soap

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Multiple Choice

What is the first step in the water treatment process?

1

coagulation

2

filtration and removal of debris, sand, grit, etc.

3

flocs

4

concentation

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Ecology Ch 4

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