Air and Water

Stand in front of a running table fan. Do you feel that some-thing is hitting your body? Can you see that 'something'?

Identify the property of air shown below.

Which one is the affect of contaminated water?

How eutrophication affects aquatic life?

Nowadays there is a big problem of air pollution in many Indian cities. What can you do to solve this problem?

Colour the clouds to blue for those that need water.

Fill in the blank to complete the words. Circle them in the word search.

We all need air to BRE_T_ 
 

Fill in the blank to complete the words. Circle them in the word search.

A very strong wind is called a S_O_R_M.

Fill in the blank to complete the words. Circle them in the word search.

A_R helps a kite to fly.

Use the words to fill in the blank.

(fills, feel, air, wind)

We can _____ air when it moves.

Put the inverted glass in a bucket filled with water. Observe the glass. It must not turn up. Now straighten the glass slowly in the bucket what happens?

Whose bubbles were coming up from an empty glass?

Put the inverted glass in a bucket filled with water. Observe the glass. It must not turn up. Now straighten the glass slowly in the bucket what happens?

What comes out of the glass?

Fill in the blank with the words given below.

We can't _____ air.  

How do we feel air?

Why is water necessary?

Choose the right word and fill in the blank.

We cannot live without _____. (thirst, water, life, electricity)

To find out whether the air that you breathe in is pure, carry out some activities at home. Take a potted plant and wash its leaves with water. Keep the plant in the open. Observe it for 3-4 days.

To find out whether the air that you breathe in is pure, carry out some activities at home. With the help of your parents, clean the blades of a ceiling fan, observe it after a week, especially in summers when it is in use.

List some ways to control air pollution.

What are the different causes of air pollution?