Water Cleaning Strategies

People must have _______ to drink in order to survive.

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

Tags

NGSS.MS-ESS2-4

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

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

• bacteria

• water

• viruses

• large piece of dirt

What does chlorination do to the water?

• kills microorganisms

• Cleans the water

• Makes the water taste nice

• Removes twigs and sediment

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Used to separate suspended particles from a liquid

• Filtration

• Distillation

• Crystallisation

• Evaporation

Used to separate a dissolved solid from its solution

• Filtration

• Evaporation

• Crystallisation

• Sublimation

A Leibeg condenser is used in

• filtration

• evaporation

• chromatography

• distillation

In filtration, the clear liquid which passes through the filter paper is called

• filter paper

• filtrate

• filter

• filtration

methods of water purification are

• Boiling, filtration, Chlorination and distillation

• Boiling, filtration, evaporation and condensation

• Boiling , filtration, condensation and distillation

• Boiling, filtration, screening and chlorination

Tags

NGSS.MS-ETS1-3

Which of the following methods can kills microorganisms?

• chlorination and distillation

• boiling and filtration

• boiling and chlorination

• filtration and distillation