SAFE WATER

Water pollution occurs when:

• industries throw waste in water bodies without treatment

• Industries dispose of waste safely and correctly.

• industries decrease their waste production

• None of the above.

We can prevent water pollution by:

• Do not throw plastic poly bags in rivers .

• Properly dispose of chemicals.

• Do not dump solid wastes in water bodies

• All of the above

There is nothing we can do to stop water pollution.

• True

• False

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

What can happen to fish when there is not enough oxygen in the water?

• They can suffocate

• They can't float

• They can't see.

• Nothing. Fish don't need oxygen.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

a. Purest form of water is ___________

______________________ is the process of removing the salt from ocean water.

• water pollution

• evaporation

• desalination

• boiling

______________________ is water that is safe to drink.

• non potable

• pond water

• potable

• all the above

______________________ is the introduction of chemical, physical, or biological agents into water that degrade water quality and adversely affect the organisms that depend on the water.

• water pollution
• desalination
• watershed
• potable

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

______________________ is the water that contains waste from home or industry.

• surface water
• dam
• potable
• wastewater

Tags

NGSS.MS-ESS3-3

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