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Revision Notes

Water

ICSE · Class 2 · Science

Quick revision notes for Water — ICSE Class 2 Science. Key concepts, formulas, and definitions for last-minute revision.

48 questions30 flashcards5 concepts

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Key Topics to Revise

1

Where Do We Get Water From?

  • Rain is the main source of water on Earth.
  • Rain fills rivers, lakes, ponds, and streams.
  • Some rain goes into the ground and becomes groundwater.
2

Drinking Water

  • Water from rivers and ponds can have germs that make us sick.
  • Water is cleaned in waterworks before coming to our homes.
  • At home, we can boil water or use filters to make it safe.
3

Forms of Water

  • Water has three forms: solid, liquid, and gas.
  • Ice is the solid form of water — it is hard and cold.
  • Water is the liquid form — it flows and takes the shape of its container.
4

Water Pollution

  • Water pollution happens when water becomes dirty.
  • Throwing garbage, washing clothes, or bathing animals in rivers causes pollution.
  • Dirty water from homes and factories also pollutes rivers and lakes.

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Full Notes

Key Concepts

Water comes from rainWater from rivers and lakesWater can be in three formsWater becomes dirty when people throwWe must not waste water

Frequently Asked Questions

What are the important topics in Water for ICSE Class 2 Science?
Water covers several key topics that are frequently asked in ICSE Class 2 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Water — ICSE Class 2 Science?
Understand the core concepts first, then work through the 48 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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