5.3 Water Purification and Water Supply

This picture shows the type of storage tanks of

• SURFACE RESERVOIRS

• ELEVATED STORAGE RESERVOIRS

People must have _______ to drink in order to survive.

• frozen water
• clean water
• contaminated water
• polluted water

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-1

What is the best way to purify water?

• Add salt

• Put inside the refrigerator

• Filtration or Boiling

• Find a very clean stream of water

Tags

NGSS.MS-PS1-2

Can sand pass through filter paper?

• Yes

• No

Which of these particles is NOT able to pass through a sand, gravel, and charcoal filter?

• bacteria

• water

• viruses

• large piece of dirt

During the purification process, filtration separates the

• Solid purities

• Solid impurities

Th components of filtration are separated based on

• boiling point

• solubility

• particle size

improved water quality can be achieved by

• appropriate use of water

• careful water storage and handling

• proper land management

• all of the above

Tags

NGSS.MS-ESS3-3

What does chlorination do to the water?

• Removes microorganisms
• Cleans the water
• Makes the water taste nice
• Removes twigs and sediment

Tags

NGSS.MS-LS2-4

NGSS.MS-PS1-2

What are two things that water treatment plants need to do?

• Clean and disinfect the water
• Boil and evaporate the water
• Remove the animals and plants
• Add chemicals and remove pesticides

Tags

NGSS.MS-PS1-2