In the boxes of Column I the letters of some words got jumbled. Arrange them in proper form in the boxes given in Column II

State whether the following statements are true or false. If false, correct them.

(a) Plants consume oxygen for respiration.

(b) Plants produce oxygen during the process of making their own food.

(c) Air helps in the movements of sailing yachts and glider but plays no role in the flight of birds and aeroplanes.

(d) Air does not occupy any space.

In a number of musical instruments, air plays an important role. Can you name some such instruments?

Make sentences using the given set of words.

(a) 99%, oxygen, nitrogen, air, together

(b) Respiration, dissolved, animals, air, aquatic

(c) Air, wind, motion, called

A list of words is given in a box. Use appropriate words to fill up the blanks in the following statements

Air, oxygen, wind, water vapour, mixture, combination, direction, road, bottles, cylinders.

(a) The ______ makes the windmill rotate.

(b) Air is a ______ of some gases.

(c) A weather cock shows the ______ in which the air is moving at that place.

(d) Mountaineers carry oxygen ______ with them, while climbing high mountains.