Water Treatment Process

Presentation

•

Science

•

1st Grade

•

Easy

•

NGSS

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

Standards-aligned

Laura Rice

Used 4+ times

FREE Resource

6 Slides • 10 Questions

The Water Treatment Process

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

Open Ended

Where does the water in our taps come from?

Type response here

Dublin water:

The Poulophouca reservoir in Co Wicklow

Poulaphouca Dam

Open Ended

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

Type response here

Open Ended

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

Type response here

Irish Water video

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

Multiple Choice

True of false: Raw water is safe to drink?

True

False

Multiple Choice

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

Settlement

Fluorination

Screening

Chlorination

Multiple Choice

What is removed during the screening process?

Small particles that settle on the bottom

Bacteria and Viruses

Large items such as branches, sticks and sometimes fish

Multiple Choice

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

Screening

Settlement/ clarification

Fluorination

Chlorination

Multiple Choice

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

Grass

Soil

Hay

Sand

Multiple Choice

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

Oxygen

Fluorine

Chlorine

Iodine

Multiple Choice

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

To make it taste better

To prevent tooth decay

To make sure it stays the right colour

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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