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प्रश्न
Can you now say why Sunita’s hair kept standing?
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उत्तर
Sunita’s hair kept standing because of zero gravity in space.
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संबंधित प्रश्न
What do you think the earth looks like? Make a drawing of the earth in your notebook. On your drawing show where you are. Take a look at your friends’ drawings too.
Think why water flows downwards on any slope. On mountains, water flows downwards, not upwards.
Take a 5 rupee coin and a small piece of paper. The paper should be about one-fourth the size of the coin.
- Hold the coin in one hand and the paper in the other. Drop them at the same time. What happened?
- Now place the tiny paper on the coin and drop them. What happened this time? Surprised!
To play this you will need a small stone, a bigger stone (lemon-sized), a thick roll of paper (which can be made with layers of paper), a mouse, and an elephant made of paper.
- Take a string about 2 feet long.
- At one end of the string tie the small stone. Stick or tie the mouse to the stone. - Put the string into the roll of paper.
- At the other end of the string tie the bigger stone and stick the elephant.
- Hold the roll of paper and move your hand to rotate the small stone.
- Who is pulling whom? You will be surprised! The mouse lifts the elephant! How did this magic happen?
- Can you find India?
- Where all do you find the sea?
- Which countries can you see?
- Can you see some of the countries with which India plays cricket matches? For example England, Australia, Pakistan, Bangladesh, and South Africa.
- What else can you see on the globe?
At night look at the sky carefully for 5 minutes.
- What could you see?
- Did you see anything moving in the sky? What do you think it could be? A star or a shooting star or a satellite (satellites are used for the TV, telephones, and for weather reports). Find out more about this.
Given below are the times at which the moon rises and sets in Delhi (on the given days).
| Date |
Time of moonrise (hours: minutes) |
Time of moon (hours: minutes)set |
| 28-10-2007 | 19:16 | 08:50 |
| 29-10-2007 | 20:17 | 10:03 |
| 30-10-2007 | 21:22 | 11:08 |
| 31-10-2007 | 22:29 | 12:03 |
- On 28 October the moon came out at ___ minutes past ___ o’clock.
- On 29 October the moon came out at ___ minutes past ___ o’clock.
- On 29 October there was a difference of ___ hours and ___ minutes in the time of the moonrise (as compared to 28 October).
Why do children always slide down the slide and not slide up? If this slide were there in Sunita’s spacecraft, would children slide like this? Why?
Looking at earth from the space, Sunita said, “Different countries cannot be seen as separate from here. These lines are on paper. They are made by us.” What do you understand by this?
If you saw the moon rising at 7 pm today, would you see it at the same time tomorrow?
