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The earth requires 24 hours for one rotation. In one hour, ______.
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To calculate the difference between the local times of any two places on the earth ______.
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The differene between the local time of any two consecutive longitudes is ______.
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If it is 12 noon at 60°E longitude, then explain what would be the time at 30° W longitude?
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If it is 10 pm on 21st June at Prime Meridian, write the dates and time at A, B and C in the table.
| Place | Longitude | Date | Time |
| A | 120° E | ||
| B | 160° W | ||
| C | 60°E |
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Look for the actual granny’s clock in Shri Acharya Atre’s poem: “Aajiche Ghadyal“ (granny’s clock). Look for this poem on the internet or in reference books.
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Find out the velocity of the earth’s rotation in km/ hour.
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Give geographical reason:
There are discontinuities in the interior of the earth.
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Give geographical reason:
There is correlation between the density of metals and their location in the interior of the earth.
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Give geographical reason:
Earth is protected because of the magnetosphere.
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Draw neat diagram, label them and explain.
The interior of the earth
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Draw neat diagram, label them and explain.
Magnetic pole and equator.
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Why is the upper mantle called the asthenosphere?
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Magnetosphere of the earth is a result of rotation. Explain.
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Tell whether right or wrong. Correct the wrong statement.
The density of various materials is not the same in the interior of the earth.
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Tell whether right or wrong. Correct the wrong statement.
The core of the earth’s interior is made up of hard rock.
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Match the column and complete the chain:
| A | B | C |
| (A) Cirrus | (i) Vertical extent in the sky | (a) Roaring clouds |
| (B) Cumulonimbus | (ii) higher altitude | (b) Floating clouds |
| (C) Nimbostratus | (iii) Medium altitude | (c)continuous rainfall |
| (D) Alto-cumulus | (iv) Low altitude | (d) snow flake clouds |
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The layer of the earth on which we live.
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Prepare a model of the earth’s interior.
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Collect the weather-related information from newspapers for the month of July. Relate the difference in the maximum and minimum temperatures with humidity.
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