Worksheet Solutions: Air & Water -1

Q1: Fill in the blanks with words from the boxes.

(i) Moving air is called ______
(ii) We need air to ______
(iii) A very strong wind with thunder and lightning is called a
(iv) We need air to ______
Ans: 
(i) Moving air is called wind.
(ii) We need air to breathe.
(iii) A very strong wind with thunder and lightning is called a storm.
(iv) We need air to breathe.

Edurev Tips:

• Wind: Moving air is called wind.
• We need air to survive.
• The strong outrush of wind from a thunderstorm is often called a storm.
• We need air to breathe

Q2: Write T for true or F for false.

(i) People use hand pumps to draw out underground water.
(ii) Computers need air to breathe.
(iii) We cannot see air but can feel it.
(iv) Slow moving and soft wind is called breeze.
Ans:
(i) True
(ii) False
(iii) True
(iv) True

Edurev Tips:

• People use hand pumps to draw out underground water.
• Only living things need air to breathe.
• Air is present all around us. We cannot see the air around us but we can feel its presence.
• Slow and gentle moving wind is called breeze.

Q3: Tick (✔) the correct answer.

(i) We should drink
(a) rainwater.
(b) dirty water.
(c) filtered water.
Ans: (c)
We should drink filtered water.

(ii) The main source of water is 
(a) rain.
(b) plant.
(c) leaves.
Ans: (a)
The main source of water is rainwater.

(iii) World Water Day is celebrated on
(a) 22 April.
(b) 22 March.
(c) 22 December.
Ans: (b)
World Water Day is celebrated on 22 March.

(iv) To draw out water we use
(a) pens.
(b) tube wells.
(c) flute.
Ans: (b)
To draw out water we use tube wells.

Q4: Answer the given below in your own words.

(i) Name any two ways to save water.
Ans: We can save water by using a bucket of water to wash clothes or using a bowl of water to wash vegetables.

(ii) What do wind and breeze mean?
Ans: 

• Wind: Moving air is called wind
• Slow and gentle moving wind is called breeze.

(iii) How do we draw out underground water?
Ans: We draw underground water with the help of tubewells and handpumps.