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Air and Water - 1 Class 6 Worksheet Science

Q1: Multiple Choice Questions (MCQs).


(i) Which of the following is the most abundant gas in air?
(a) Oxygen
(b) 
Nitrogen
(c) 
Carbon dioxide
(d) Argon
Air and Water - 1 Class 6 Worksheet Science

(ii) What is the main source of water on Earth?
(a) 
Lakes
(b) 
Rivers
(c) 
Rain
(d) 
Groundwater

(iii) Water pollution can be caused by:
(a) 
Sewage
(b) 
Industrial waste
(c) 
Oil spills
(d) All of the above
Air and Water - 1 Class 6 Worksheet Science

(iv) Which of the following is a renewable source of energy?
(a) 
Coal
(b) 
Oil
(c) 
Wind
(d) 
Natural gas

(v) Which of the following is NOT a property of water?
(a) 
It is tasteless
(b) It is colorless
(c) It is odorless
(d) It is a gas

Q2: Fill in the blanks.


(i) The component of air that supports combustion is called ___________.

(ii) The process by which water vapor changes into water droplets is called ___________.

(iii) The process of changing a liquid into a gas is called ___________.

(iv) The process by which water is replenished in the atmosphere is called ___________.
Air and Water - 1 Class 6 Worksheet Science

(v) The process of turning water into a solid is called ___________.

Q3: Match the column.

Air and Water - 1 Class 6 Worksheet Science

Q4: True or False.


(i) Water is a renewable resource.

(ii) Air pollution has no effect on human health.

(iii) The boiling point of water is 100 degrees Celsius.
Air and Water - 1 Class 6 Worksheet Science

(iv) Oxygen is the most abundant gas in the atmosphere.

(v) The process by which water is replenished in the atmosphere is called evaporation.

Q5: Short Answer Questions.


(i) What are the three main forms of water found on Earth?

(ii) Explain the water cycle.
Air and Water - 1 Class 6 Worksheet Science

(iii) What is the role of air in the Earth's atmosphere?

(iv) How can we conserve water at home?

(v)  What are the effects of air pollution on the environment and human health?


You can find Worksheets Solutions here: Worksheet Solutions: Air and Water - 1 

The document Air and Water - 1 Class 6 Worksheet Science is a part of the Class 5 Course Science Class 5.
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FAQs on Air and Water - 1 Class 6 Worksheet Science

1. What are the primary sources of air pollution?
Ans. The primary sources of air pollution are industrial emissions, vehicular emissions, burning of fossil fuels, and agricultural activities.
2. How does air pollution affect human health?
Ans. Air pollution can have severe health effects on humans. It can lead to respiratory problems, such as asthma and bronchitis, and can also increase the risk of heart diseases and lung cancer.
3. How can we reduce air pollution?
Ans. There are several ways to reduce air pollution. Some effective measures include using public transportation or carpooling, using energy-efficient appliances, promoting renewable energy sources, and planting trees to improve air quality.
4. What are the main sources of water pollution?
Ans. The main sources of water pollution are industrial waste discharge, sewage and wastewater discharge, agricultural runoff, and improper disposal of chemicals and waste.
5. How does water pollution impact aquatic life?
Ans. Water pollution can have devastating effects on aquatic life. It can lead to the death of fish and other organisms, decrease biodiversity, and disrupt the entire aquatic ecosystem. Additionally, contaminated water can also pose risks to human health if consumed.
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