Water—The Essence of Life
Class 5 · The World Around Us · 15 Questions
Do you think we can drink the water present in the oceans?
What can ocean water be used for?
(a) Where do these water droplets come from? (b) What happens to the ice cubes after they are left in the glass for some time? (c) If we heat water, what will happen to it?
What did you observe about the mustard seeds?
Are they moving in a straight line, or do they spread out in different directions?
Are they collecting in some areas? Do they gather like water gathers in lakes, rivers and so on?
Complete the following table discussing with peers about the characteristics of animals on land and animals in water.
| Animals on Land | Animals in Water |
|---|---|
| Cannot breathe in water. | Have fins to swim. |
Take a piece of paper and put a drop of water on it. Observe.
Colour the paper with a wax crayon. Now, put a drop of water on it. Do you observe any change?
Match the following: (i) Ocean water (ii) Snow (iii) Steam (iv) Rainwater (a) Solid form of water (b) Vapour form of water (c) Not fit for drinking (d) Freshwater
Why do you think most of the water on Earth cannot be used for drinking or farming?
Large number of living beings live near water bodies. Why?
What would happen if it did not rain in your region for two years?
What do you think happens to rainwater in a forest compared to a city?
Can you design a house or school that conserves water wisely? What would it include?