Class 7 Science Chapter 18

Chapter 18: - Wastewater Story

1. Water, our lifeline

2. What is sewage?

3. Water freshens up – An eventful journey

Treatment of polluted water

4. Wastewater treatment plant (WWTP)

Become an active citizen

Welcome Students,

Check the Notes and Question Paper of Chapter 18 – Wastewater Story.

You can also download the PDFs of the Notes as well as the Question Papers.

Class 7 Science Chapter 18


Find the answers in detail, to all the questions, keywords, and fill in the blanks of Chapter 18 (Wastewater Story).

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Question Paper

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The Quiz consists of MCQ questions, fill in the blanks, and 1 mark definitions. Click below for to take quiz of this chapter.

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Class 7 Science Chapter 18

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