WATER CLASS 6 ICSE

 

Worksheet 1

Water

CLASS 6

A. Fill in the Blanks

  1. The chemical formula of water is _______.

  2. Water exists in _______ states of matter.

  3. _______ is the process by which water changes from liquid to vapor.

  4. The _______ cycle describes the continuous movement of water on, above, and below the surface of the Earth.

  5. _______ is the process of removing salt from seawater to make it drinkable.

B. Match the Following

Column A

Column B

1. Precipitation

a. Solid state of water

2. Evaporation

b. Rain, snow, or hail

3. Condensation

c. Change of liquid to vapor

4. Ice

d. Formation of clouds

5. Boiling point of water

e. 100°C

C. Answer the Following Questions

  1. What is the importance of water in our daily life?

  2. Explain the water cycle with the help of a diagram.

  3. Differentiate between potable and non-potable water.

  4. Why is water conservation important? Suggest two ways to conserve water.

  5. How is water purified at home?

D. True or False

  1. Water is a universal solvent. _______

  2. Sea water is suitable for drinking without purification. _______

  3. Plants lose water through a process called transpiration. _______

  4. Boiling is the only method to purify water. _______

  5. Groundwater is a non-renewable resource. _______

E. Label the Diagram

  • Draw and label the following parts of the water cycle:

    • Evaporation

    • Condensation

    • Precipitation



Worksheet 2

Water

I. Fill in the blanks:

  1. Water is essential for the survival of all _______.

  2. The process by which water from the Earth’s surface changes into water vapor is called _______.

  3. The total amount of water on Earth remains _______.

  4. Water vapour cools down and condenses to form _______.

  5. The process of water moving from the surface of the Earth to the atmosphere is known as _______.

  6. Rivers, lakes, and oceans are all examples of _______ water bodies.

  7. _______ is the form in which water is found as rain, snow, or hail.

II. Match the columns:

Column A

Column B

1. Evaporation

A. Water cycle

2. Condensation

B. Water from plants

3. Precipitation

C. Change of water into vapor

4. Transpiration

D. Water turning into liquid droplets

5. Water cycle

E. Water falling as rain, snow, or hail

III. Answer the following questions:

  1. What is the water cycle? Explain the different stages of the water cycle.

  2. Why is water called the “elixir of life”? Explain its importance.

  3. How do plants contribute to the water cycle?

  4. Name the different forms in which water can exist on Earth.

  5. Describe the process of filtration and why it is important for drinking water.

IV. Short Answer Questions:

  1. What is the main source of fresh water on Earth?

  2. What is the difference between saltwater and freshwater?

  3. Why is it important to conserve water?

  4. What are the causes and effects of water pollution?

V. True or False:

  1. Water covers about 75% of the Earth's surface. (True/False)

  2. All the water on Earth is fresh water. (True/False)

  3. Rainwater is always pure and free from impurities. (True/False)

  4. Water can exist in only one state: liquid. (True/False)

  5. The process of water changing from liquid to gas is called condensation. (True/False)
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