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Water Treatment Process

Water Treatment Process

Assessment

Presentation

Science

1st Grade

Easy

NGSS
MS-ESS2-4, MS-PS1-2, MS-ESS3-1

Standards-aligned

Created by

Laura Rice

Used 4+ times

FREE Resource

6 Slides • 10 Questions

1

The Water Treatment Process

How do we know the water that we drink is 'clean' or safe to drink?

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2

Open Ended

Where does the water in our taps come from?

3

Dublin water:

The Poulophouca reservoir in Co Wicklow

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4

Poulaphouca Dam


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5

Open Ended

What sort of substances need to be removed from this water before it is safe for us to drink it?

6

Open Ended

How is the water 'cleaned' before we drink it?

7

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8

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9

Irish Water video

https://www.youtube.com/watch?v=iYFwFRWOEho&ab_channel=IrishWaterUisceEireann

10

Multiple Choice

True of false: Raw water is safe to drink?

1

True

2

False

11

Multiple Choice

What is the name of the first stage in the water treatment process?

1

Settlement

2

Fluorination

3

Screening

4

Chlorination

12

Multiple Choice

What is removed during the screening process?

1

Small particles that settle on the bottom

2

Bacteria and Viruses

3

Large items such as branches, sticks and sometimes fish

13

Multiple Choice

After screening, what is the name of the next stage in the water treatment process?

1

Screening

2

Settlement/ clarification

3

Fluorination

4

Chlorination

14

Multiple Choice

What substance is used to filter fine particles from the water?

1

Grass

2

Soil

3

Hay

4

Sand

15

Multiple Choice

What chemical is added to the water to kill micro-organisms such as bacteria that could be in the water?

1

Oxygen

2

Fluorine

3

Chlorine

4

Iodine

16

Multiple Choice

Why is fluorine added to water in the final stage of water treatment?

1

To make it taste better

2

To prevent tooth decay

3

To make sure it stays the right colour

4

To protect the pipes

The Water Treatment Process

How do we know the water that we drink is 'clean' or safe to drink?

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