Class 6 Science Chapter 14 Water

Class 6 Science Chapter 14 Water answer to each chapter is provided in the list so that you can easily browse throughout different chapter Assam Board As Per New Syllabus Class 6 Science Chapter 14 Water and select needs one.

SEBA Class 6 Science Chapter 14 Water

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Also, you can read the SCERT book online in these sections Solutions by Expert Teachers as per SCERT (CBSE) Book guidelines. These solutions are part of SCERT All Subject Solutions. Here we have given Assam Class 6 Science Solutions for All Subject, You can practice these here.


Chapter: 14


1. Fill up the blanks in the following:

(a) The process of changing of water into its vapour is called ________?

Ans: Evaporation.

(b) The following process of changing water vapour into water is called ____________.

Ans: Condensation.

(c) No rainfall for a year or more may lead to ___________ in that region.

Ans: Drought.

(d) Excessive rains may cause __________.

Ans: Flood.

2. State for each of the following whether it is due to evaporation or condensation:

(a) Water drops appear on the outer surface of a glass containing cold water.

Ans: Condensation.

(b) Steam rising from wet clothes while they are ironed.

Ans: Evaporation.

(b) Fog appearing on a cold winter morning.

Ans: Condensation.

(c) Black board dries up after wiping it.

Ans: Evaporation.

(d) Steam rising from a hot gridle when water is sprinkled on it. 

Ans: Evaporation.

3. Which of the following statements are “true”.

(a) Water vapor is present in air only during the monsoon.

Ans: False.

(b) Water evaporates into air from oceans, rivers and lakes but not from the soil.

Ans: False.

(c) The process of water changing into its vapour, is called evaporation.

Ans: True.

(d) The evaporation of water takes place only in sunlight.

Ans: False.

(e) Water vapour condenses to form tiny droplets of water in the upper layers of air where it is cooler.

Ans: True.

4. Suppose you want to dry your school uniform quickly. Would spreading it near an anghiti or heater help? If yes, how?

Ans: Yes, spreading uniform near an anghiti or heater will help because evaporation is rapid at higher temperature. So the uniform dried quickly.

5. Take out a cooled bottle of water from the refrigerator and keep it on a table. After some time you notice a puddle of water around it. Why?

Ans: Take out a cooled bottle of water from the refrigerator and keep it on a table. After some time we noticed a puddle of water around it, because the surface of the air around the bottle cools down and air condenses around the bottle.

6. To clean their spectacles, people often breathe out on glasses to make them wet. Explain why the glasses become wet.

Ans: The glasses become wet because of condensation. the air which we breathe out contains carbon dioxide and moisture which condense due to lower temperature and wet the glass.

7. Explain are clouds formed?

Ans: The process of condensation plays an important role in bringing water back to the surface of earth. As we go higher from the surface of the earth, it gets cooler. When the air moves up, it gets cooler and cooler. At sufficient heights, the air becomes so cool that the water vapor present in it condenses to form tiny drops of water called droplets. It is these tiny droplets that remain floating in air and appear to us as clouds.

8. When does a drought occur?

Ans: The drought occurs when there is no rain for a long time or for many years. The soil continues to lose water by evaporation and transportation. Since it is not being brought back by rain, the soil becomes dry. The level of water in ponds and wells of the region goes down and some of them may even dry up. The groundwater may also become scarce. This groundwater may also become scarce. This may lead to drought.

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