Water Treatment

Choose THREE steps that are part of Drinking Water Treatment.

• Settling tank

• Filtration

• Chlorination

• Dechlorination

Tags

NGSS.MS-PS1-2

Why is dechlorination an important part of wastewater treatment?

Tags

NGSS.MS-PS1-2

Our main sources of fresh water are _____________, _____________ and ____________________.

• rivers

• lakes

• underground rocks

• seas

Tags

NGSS.MS-ESS2-4

The amount of water in the world is always the same.

• True

• False

Tags

NGSS.MS-ESS2-4

A human-made hole that reaches deep in the Earth to collect groundwater is called...

• An aquifer

• A well

• A water treatment plant

• Dumbledore

Tags

NGSS.MS-ESS3-1

Water that has been contaminated by human use

• Contaminant

• Non-point Source

• Point Source

• Waste water

Tags

NGSS.MS-ESS3-3

A chemical to disinfect water

• Copper Sulphate

• Distilled Water

• Iron Sulphate

• Chlorine

Ava, Benjamin, and Mason are on a field trip to a wastewater treatment plant. They learn that the 1st step in treating wastewater is

• Wastewater flows through screens to catch large particles such as food and lot of trash.

• The water is pumped into open pools where air and sunlight is used to purify it.

• Particles that are still present in the water settle down forming sludge

• The water flows through a bed of gravel which is covered with colonies of bacteria.

Tags

NGSS.MS-PS1-2

NGSS.MS-ETS1-2

Which of the following is a step of wastewater treatment?

• Aeration

• Chlorination

• Filtration

• All of these

You are trying to remove small particles from water. What would be the BEST thing you could do to remove the SMALL particles?

• clean the water with soap.

• use a filter material that is softer.

• use a filter material with small holes.

• it is not possible to remove small particles.

Tags

NGSS.MS-ETS1-2