What does air contain — Chapter Summary
ICSE · Class 2 · Science
Summary of What does air contain for ICSE Class 2 Science. Part of the ICSE Class 2 Science syllabus. Air is all around us, but we cannot see it. However.
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Overview
Air is all around us, but we cannot see it. However, air is made up of many things that are important for life on Earth. In this chapter, we learn about the different things present in the air such as gases, water vapour, dust, smoke, and germs. We also discover how to keep the air clean so that we
Key Concepts
Air contains gases like oxygen
Air contains gases like oxygen, which all living things need to breathe. Without oxygen, we cannot survive.
When water is heated by
When water is heated by the Sun, it turns into an invisible gas called water vapour and goes into the air. This is why wet clothes dry and spilled wat
Tiny dust particles float in
Tiny dust particles float in the air. Smoke is made when things burn, like garbage or fuel in vehicles. Both mix with air and make it dirty.
When someone coughs or sneezes
When someone coughs or sneezes, tiny germs spread into the air. These germs can make other people sick.
Learning Objectives
- Identify the components present in air
- Understand the importance of oxygen in air
- Explain how water changes into water vapour and mixes with air
- Recognize how dust, smoke, and germs pollute the air
- Learn ways to keep the air clean and safe
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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