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If there is low pressure at the equator, what will be the condition of air pressure in the Arctic Zone?
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What will be the effect on air pressure if the temperature drops? Why?
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Give reason:
Air pressure decreases with increasing altitude.
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What effect does temperature have on air pressure?
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At higher altitudes, air becomes ______
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Air pressure is expressed in ______.
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On the earth, air pressure is ______
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Correct the wrong statement. Write down the corrected one.
The moon revolves around the sun.
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Correct the wrong statement. Write down the corrected one.
On a full moon day, the moon, the sun, and the earth are positioned in this sequence.
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Correct the wrong statement. Write down the corrected one.
The revolutionary orbits of the earth and the moon are in the same plane.
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Correct the wrong statement. Write down the corrected one.
In one revolution of the moon, its orbit intersects the earth’s orbit only once.
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Solar eclipse
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The shape of the sun disc at the time of the annular solar eclipse.
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Apogee position of the moon.
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Observe the following pictures.
Answer the questions given below and discuss.
- Do the above photographs show the same place or different places?
- Observe and note the spread of water seen in both the photographs.
- What is this natural event called?
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Prepare a chain by matching the following.
| Group A | Group B | Group C |
| Waves | 8th phase of the moon (Quarter) | Objects get thrown towards the outer side. |
| Centrifugal force | New moon day | Highest high tide occurs on this day. |
| Gravitational force | Rotation of the earth | These are also generated due to earthquakes and volcanoes. |
| Spring Tide | The moon, the sun, and the earth | The forces of the sun and the moon operate in different directions. |
| Neap Tide | Wind | Operates in the direction towards the center of the earth. |
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Due to its mild and warm climate, people from the West European region are not energetic.
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The prairie region is called the wheat basket of the world.
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The trees in the Mediterranean region have oily leaves and the bark is quite thick. There is a high rate of transpiration.
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Read the following statement carefully. Correct the wrong one and write them down:
The camel is an important animal of the hot desert region as it can survive without water and is useful for transport.
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