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प्रश्न
Can you think why Sunita’s hair was standing?
उत्तर
When we are on the earth, our hairs remain in a downward position because of the gravitational force of the earth. Once some are in space, the hairs stand as there is zero gravity in space.
APPEARS IN
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.
If the earth is round like a globe, how is it that we do not fall off?
Look at Sunita’s photographs and the dates written on each of them. Write what all is happening and when?
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 the state in which you live? Write its name on the map.
- Which are the states next to the state you live in?
- Have you been to any other state?
- Shahmir thinks that there are lines drawn on the ground between the states. What do you think?
Do you think the moon is flat like the coin or round like a ball?
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 don’t you try to do the same with a coin? How many centimeters away from the eye did you keep the coin to hide the moon?
On 31 October the time of setting of the moon is given as 12:03. Have you ever seen the moon at 12 in the afternoon? Why don’t we easily see the moon or stars during the day?
