The substances that make the environment dirty are called pollutants and the presence of these pollutants in the environment is called pollution. The different types of pollutions are air pollution, water pollution, land pollution and noise pollution.

Recycling means converting used items into raw materials and then making new products from them. It is a part of three R's which are reduce, reuse and recycle which we must adapt to promote waste management.

E M B I B E

Mastering SCIENCE Integrated with Environmental Education 4..>Chapter 14 - Keeping Our Earth Green and Clean>Exercises>Q F

EASY

4th CBSE

IMPORTANT

Earn 100

What is pollution?

Important Questions on Keeping Our Earth Green and Clean

EASY

4th CBSE

IMPORTANT

Mastering SCIENCE Integrated with Environmental Education 4..>Chapter 14 - Keeping Our Earth Green and Clean>Exercises>Q F

How is World Environment Day celebrated?

MEDIUM

4th CBSE

IMPORTANT

Mastering SCIENCE Integrated with Environmental Education 4..>Chapter 14 - Keeping Our Earth Green and Clean>Exercises>Q F

Simi and her friends are planting trees in an abandoned empty piece of land and are encouraging their other friends also to do so.
What is afforestation? How does it help us?

MEDIUM

4th CBSE

IMPORTANT

Mastering SCIENCE Integrated with Environmental Education 4..>Chapter 14 - Keeping Our Earth Green and Clean>Exercises>Q F

Simi and her friends are planting trees in an abandoned empty piece of land and are encouraging their other friends also to do so.
What value do we learn from Simi and her friends?

MEDIUM

4th CBSE

IMPORTANT

Mastering SCIENCE Integrated with Environmental Education 4..>Chapter 14 - Keeping Our Earth Green and Clean>Exercises>Q F

Why must the wastewater from factories be treated before letting it flow into the river?

MEDIUM

4th CBSE

IMPORTANT

Mastering SCIENCE Integrated with Environmental Education 4..>Chapter 14 - Keeping Our Earth Green and Clean>Exercises>Q F

How does breathing in polluted air affect us?

EASY

4th CBSE