
Classify the following into natural things and man-made things.
(Dam, river, coconut tree, building, jasmine flower, hill, cloud, silver vessel, cell phone, temple, cake, air, sun, ship, water, pencil, book, doll, football, sunflower, crocodile, aeroplane)
Natural things
Man-made things

Important Questions on Our Environment
Which of the non-living things can float?

The following statements describe some characteristics of living things. Identify and write the characteristic features using the given hints.
(Characteristics Hints: Move, Breathe, Feel, Needs Food, Grow, Reproduce)
Statements | Characteristic features |
1. Touch-me-not plant closes its leaves when it is touched |
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2. A papaya seed becomes a papaya tree |
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3. A dove flies in the sky |
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4. A cow eats grass |
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5. A cat gives birth to kittens |
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6. Human beings and animals breathe in and breathe out air |

There is a large banyan tree in a park. Monkeys and birds have made the tree their home. Humans too spend time under the tree. Discuss how the tree, monkeys, birds, and humans are interdependent.

Why is plant the most important living thing?

Name the following animals.
An animal that
a. Flies in the air is:
b. Lives in water is:
c. Moves on the ground is:
d. Eats only plants is:

Plants and human beings are living things. Why do human beings depend on plants?

The names of several natural resources are hidden in the box below. Find as many as possible. Some words are repeated.

Link the animals as herbivores, carnivores and omnivores.
Cow |
Lion |
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Bear |
Elephant |
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Tiger |
Crow |
