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प्रश्न
Think why water flows downwards on any slope. On mountains, water flows downwards, not upwards.
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उत्तर
Water flows downwards because of the force of gravity on the earth.
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संबंधित प्रश्न
If the earth is round like a globe, how is it that we do not fall off?

- Can you see India?
- Can you recognize any other place?
- Where is the sea?
- Do you find anything similar between the globe and this picture of the earth? In what ways are they different?
- Do you think Sunita could make out Pakistan, Nepal, and Burma separately when she saw the earth from space?

- 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?
- 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?
Look at the moon tonight and draw what it looks like. Look and draw again after one week, and then after 15 days.
| Today’s Date | Date after a week | Date after 15 days |
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.
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?
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?
If you saw the moon rising at 7 pm today, would you see it at the same time tomorrow?
