NCERT Class VII Science Solutions: Chapter 16-Water: A Precious Resource Part 4

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Question 19:

Complete the given table

Form of Water and Process by Which Formed and Location Where Found (Q)
Form of Water and Process by which formed and Location where found (Q)

Form of Water

Process by which formed

Location where found

Liquid

Solid

Gaseous

Answer:

Form of Water and Process by Which Formed and Location Where Found (A)
Form of Water and Process by which formed and Location where found (A)

Form of Water

Process by which formed

Location where found

Liquid

Condensation and melting

Water bodies like rivers, lakes, etc.

Solid

Freezing

Cold regions like high mountains, poles, etc.

Gaseous

Evaporation

Atmosphere

Image of form of water

Form of Water

Image of form of water

Question 20:

Match Column I with Column II

Match Column I with Column II (Q)
Match Column I with Column II (Q)

Column I

Column II

Ground water

Solid from of water

Bawri

Wastage of water

snow

Water management

Drip irrigation

Small water

Leaking taps

Water table

Answer:

Match Column I with Column II (A)
Match Column I with Column II (A)

Column I

Column II

Ground water

v Water table

Bawri

iv Small water

snow

i Solid from of water

Drip irrigation

iii Water management

Leaking taps

ii Wastage of water

Question 21:

A list of jumbled words is given here. Write the correct form of each word.

  1. WASHFERRET

  2. CHARREGE

  3. QUIFERA

  4. WOSN

Answer:

  1. Freshwater

  2. Recharge

  3. Aquifer

  4. Snow

Question 22:

From where do the following usually get water? In which form is water present in them?

  1. Clouds

  2. Plants

  3. Mountain tops

  4. Aquifer

  5. Animals

Answer:

  1. Land; liquid form (droplet of water).

  2. Soil; liquid form.

  3. Atmosphere; solid form.

  4. Rain; underground water.

  5. Water bodies; liquid.

Developed by: