Water Treatment

The first step of the water treatment process is...

• Coagulation

• Disinfection

• Filtration

• Sedimentation

• Flocculation

The final step of the water treatment process is...

• Coagulation

• Disinfection

• Filtration

• Sedimentation

• Flocculation

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

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

• bacteria

• water

• viruses

• large piece of dirt

The first step in water treatment plant is

• chlorination to kills microorganisms

• fluoridation to prevents tooth decay

• screening to removes large objects such as fish and twigs

• aeration to removes unpleasant odour

Nearly …… billion people live without clean drinking water

• two

• one

• three

• four

Water is a what type of resource?

• renewable resource

• non-renewable resource

• continuous resource

Tags

NGSS.5-ESS2-2

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

The downward entry of water to the soil is called

• percolation

• infiltration

• transpiration

• surface runoff

Tags

NGSS.MS-ESS2-4

The process of collecting moisture or vapor through the pores in the surfaces of plant's leaves is called

• evaporation

• transpiration

• sublimation

• accumulation