Worksheet: Air and Water - 2
Q1: Fill in the Blanks
(i) Air is a _______ of gases.
(ii) _________ is the most common gas in the air.
(iii) The process of taking in air containing oxygen into the body and giving out carbon dioxide is called _______.
(iv) The layer of gases surrounding the Earth is known as the ________.
(v) _______ is the process by which water changes into water vapour.
Q2: Match the Column
Match the items in Column A with their respective descriptions in Column B.
Q3: True or False
(i) Air is composed of only one gas.
(ii) All living organisms need air to survive.
(iii) The ozone layer protects us from the harmful ultraviolet rays of the sun.
(iv) Ice is an example of water in the liquid state.
(v) Plants release oxygen during photosynthesis.
Q4: Arrange in Correct Order
Arrange the following steps in the correct order to explain the water cycle.
(a) Precipitation
(b) Evaporation
(c) Condensation
(d) Collection
(e) Runoff
Q5: Choose the Odd One Out
(i) Nitrogen, Oxygen, Water Vapour, Carbon Dioxide
(ii) Lake, River, Pond, Glacier
(iii) Respiratory System, Circulatory System, Digestive System, Solar System
(iv) Boiling, Freezing, Melting, Precipitation
(v) Atlantic, Pacific, Indian, Earth
Q6: Short Answer Questions
(i) What is the atmosphere, and what is its function?
(ii) What is the troposphere?
(iii) What is the importance of the ozone layer?
(iv) Why is water called the "universal solvent"?
(v) What are the two main ways to remove insoluble impurities from water?
The solutions of the worksheet "Air and Water - 2"
FAQs on Worksheet: Air and Water - 2
| 1. What is the importance of air and water for living organisms? |  |
| 2. How does pollution affect air and water quality? | |
| 3. What are the main sources of air and water pollution? | |
| 4. How can we conserve air and water resources? | |
| 5. What are some ways to improve air and water quality in our communities? | |
