Page 72 - Active Science 5 Ebook and Activity

Air and Water

6

Learning Objectives

To Understand:
• Components of air • Properties of air

• Importance of clean surroundings • Properties of water
• Water rich in salt content, e.g., sea water.

To Find Out:
• About atmosphere

• Why water is essential for survival?
• How to remove different substances from water?

Let’s Begin

Air and water are the basic necessities of life. Survival on earth without air and water
is not possible. Rain is the main source of water on earth that fills up the ponds, lakes,
wells and river. If water is not available for plants, animals and human beings, they will
die.

These are some water activities given below. Recognize them and write the name.

____________________ ____________________ ____________________

72 Active Science-5