Water Pollution

How to know water is polluted?

• It is tasteless

• It has ouder

• It is crystal clear

• It is ouderless

What are causes of water pollution?

• Animals bathing in rivers

• Using different methods to clean water

• Spilling of oil in ocean

• Both A and C

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

What are sources of water pollution?

• Agricultural sources

• Offices

• Animals

• Chemicals

Tags

NGSS.MS-ESS3-3

How waste is produced by industries?

• Making of paper

• Reverse boring

• Throwing clean water

• Using water for cutting things in factories

How waste is produced by domestic sources?

• Water used in cleaning vegetables

• Sewage that contain both living and non-living sources

• Running tap water

• Water containing dust

How waste is produced by agricultural sources?

• By watering the crops

• Excessive use of water in growing of rice

• Use of ground water

• By using fertilizers which contain chemicals like nitrates and phosphorus

What are the other causes of water pollution?

• Processing of metal

• Spilling of oil in ocean

• Making of electricity

• throwing of plastic bottles and polybags in waterbodies

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

What type of chemicals or poisonous material used in industries?

• Wood

• Mercury

• Fertilizers

• Lead

Tags

NGSS.MS-PS1-3

Untreated sewage carries disease causing germs?

• Bacteria

• Amoeba

• Fungi

• Virus

Tags

NGSS.MS-LS2-4

What are the things that cause microorganism in untreated sewage?

• Paper

• Vegetable peels

• Floor cleaner

• Hair dye