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The Book Of Nature Class 7 Questions and Answers
Activity 1 – Underline the appropriate alternatives:
(a) India is in fact a (big/ small/ huge) part of the earth’s surface.
Answer – India is in a small part of the earth’s surface.
(b) Once upon a time the earth was too (cold/ dark/ hot) for any living being to survive.
Answer – Once upon a time the earth was too hot for any living being to survive.
(c) Fossils are (a type of wild animal/ one kind of hard rock/ the remains of old living beings).
Answer – Fossils are the remains of old living beings.
Activity 2 – Answer the following questions in complete sentences:
(a) What must we do to know about the tale of this world?
Answer – To know about the tale of this would we must think of all the countries and all the people that have inhabited it and not merely of one little country where we may have been born.
(b) How old is our earth?
Answer – Our earth is very old – millions and millions of years old.
(c) Who roamed the earth before the arrival of human beings?
Answer – Only animals roamed on this earth before the arrival of human beings.
Activity 3 – Fill in the blanks with suitable words from the text. The first letters of the words are given:
(a) As a subject, history is quite interesting.
(b) We have good relations with our neighbouring country.
(c) Plants need air, water and sunlight to grow.
(d) Can you imagine how big the Universe is?
(e) You should study regularly if you want to be a good student.
Activity 4 – Make meaningful sentences with the following words:
(a) interest – The more you read the more your interest will grow in reading.
(b) Surface – Actually we live on the earth’s surface.
(c) inhabited – In old times only poor illiterate people inhabited the rural areas.
(d) together – We shall visit the place together.
(e) scientist – A scientist researches to find out unknown mysteries of this earth.
Activity 5 – Identify which of the following statements are True and which are False. Give a supporting statement for each of your answers.
(a) Fairy tales are rich in imagination. (T)
(b) We have no means to know about the far-off days. (F)
(c) The alphabet of nature is like the Hindi or the English alphabet. (T)
(d) We can learn a lot about our world from the rivers and mountains. (T)
Activity 6 – Complete the following sentences with information from the text:
(a) No book could have been written in old times because then men did not exist
(b) To be able to read any language one has to learn its alphabet.
(c) A small pebble was definitely a part of a big rock.
(d) On the beaches at the seaside, little children can play and make castles out of the sand.
Activity 7 – Fill in the following chart with information from the text:
| Statement | Reason |
|---|---|
| 1. Fairy tales need not be true. | Because those are based on imagination. |
| 2. A piece of rock looks different from a pebble. | Beacause a rock is full of corners or rough edges whereas a pebble is round and smooth and shiny. |
| 3. A bit of rock from some mountain side reaches a little valley. | Because the rain washes the bit of rock down the river carries it to the little valley |
| 4. All pebbles do not become sand. | Because the river leaves some pebbles behind in its course. |
Activity 8 – Answer the following questions:
(a) Which are the thing around us that tell us about the earth’s early tale?
Answer – Rocks, mountains, pebbles, rivers, fossils etc. thing around us that tell us about earth’s early tale.
(b) Why does a pebble have a smooth surface?
Answer – A pebble rolled at the bottom of the river and its edges were worn away.
(c) How does a pebble become grains of sand?
Answer – The river had carried a pebble and it would have become smaller and smaller till at last it became a grain of sand.
(d) What does the author mean by “The Great Book of Nature?”
Answer – “The Great Book of Nature” is a metaphorical reference to the natural world and its processes, suggesting that by observing and studying nature, one can gain knowledge and insights about the world and its workings.
Activity 9 – Rearrange the sentences in the correct order by writing the numbers in the brackets. One is done for you:
(a) The rock is taken to a big river by the little river.(2)
(b) At last it is turned into grains of sand. (6)
(c) It becomes a pebble. (5)
(d) A bit of rock is pushed by a mountain stream into a little river. ( 1 )
(e) The pebble becomes smaller because it is carried on and on by the river. (4)
(f) The edges of the rock are worn away and its rough surface is made smooth. (3)
Activity 10 – Match the words in Column A with their meanings in Column B. One is done for you:
| A | B |
|---|---|
| 1.fascinating | (a) the set of letters in a language [4] |
| 2. merely | (b) top visible side [5] |
| 3. fortunately | (c) became damaged by use [6] |
| 4. alphabet | (d) only or just [2] |
| 5. surface | (e) luckily [3] |
| 6. worn | (f) very interesting or charming [1] |
Replace the underline words with suitable opposite words from the box. There are some extra words.
| hopeful, lost, add, left, ugly, late, sad, rough |
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