Water pollution is when waste, chemicals, or other particles cause a body of water (i.e. rivers, oceans, lakes) to become harmful to the fish and animals that need the water to survive. Water pollution can disrupt and negatively impact nature’s water cycle as well.
Causes of Water Pollution
Water pollution has various causes; the major sources of water pollution are caused by humans. We pollute water bodies through various activities like agricultural activities, chemicals from industries, etc. This essay on water pollution will cover major causes that are as-
- Water pollution through industrial waste
- Water pollution through the disposal of waste
- Water pollution through Agricultural activities
- Water pollution through acid rain
- Water pollution through Oil spills
Ways of preventing water pollution
- Save water – Fresh and clean water is a precious resource. Don’t waste it! Take shorter showers, ask your parents not to water the lawn, make sure the toilet isn’t running, and don’t leave the faucet running.
- Don’t use weed killer – Ask your parents if you can pull the weeds in the yard so they don’t need to use weed killer (an herbicide).
- Scrape your plates clean into the trash and don’t put grease into the kitchen drain.
- Trash – Always pick up your trash, especially when at the beach, lake, or river.
- Sewage treatment
- Minimize the use of pesticides and fertilizer
Chemical pollution is defined as the presence or increase in our environment of chemical pollutants that are not naturally present there or are found in amounts higher than their natural background values
WAYS OF PREVENTING CHEMICAL POLLUTION
- VOC’s are harmful chemicals found in several home products, so try to reduce the use of VOC’s.
- Use chemical-free cleaning products.
- Use pesticides and fertilizers that contain fewer chemicals.
- Always Recycle Batteries.
- Recycle, reuse or donate liquids from automobiles.
- Limit the use of your cars and motor vehicles.
Strategies & Activities:
Step1: Teacher revises the previous topic.
Step 2: Teacher introduces the new topic.
Step3: Teacher explains the new topic.
Step4: Teacher welcomes pupils’ questions.
Step5: Teacher evaluates the pupils.
Assessment & Evaluation:
- Say the meaning of water and chemical pollution
- List the causes of water and chemical pollution
- Identify the ways of preventing water and chemical pollution
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