Q1: How do the astronauts get food and drink ?
Ans: Food for each astronaut is sent in plastic bags with an individual’s hame written on the bag. There are some arrangements for warming or cooling the food. But food becomes bland in taste after some time. In that situation, astronauts wait for fresh supply from the earth. Drinks are sucked directly through a straw.
Q2: See how the earth is looking. Can you see the surface of the moon?
Ans: The earth is looking spherical in shape. Yes, I can see the surface of the moon.
Q3: Can you find the state in which you live? Write its name on the map.
Ans: Yes, I can find the state which I live in. It is Delhi.
Q4: Why do children always slide down the slide and not slide up? If this slide were there in Sunita’s space, would children slide like this? Why?
Ans: Children always slide down the slide because of the earth's gravitational force. However, if this slide were there in Sunita's spacecraft, children would not slide like this because there is no gravitational force in the space.
Q5: Why do we see stars mostly at night?
Ans: Stars are mostly seen at night because there is no sunlight in the night. Thus, the light coming from the stars could reach us and we are able to see them.
Q6: 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 friend's drawings too.
Ans: I think the earth is round.
Q7: Give the name of first Indian women astronaut.
Ans: Kalpana Chawla.
Q8: Why don’t you try to do the same with a coin? How many centimetres away from the eye did you keep the coin to hide the moon?
Ans: To hide the moon completely, the coin has to be kept at 25 centimeters away from the eye.
Q9: Which one of the following stars is nearest to the Earth?
(a) Polaris
(b) Alpha Centauri
(c) Sun
(d) Sirius
Ans: (c)
Sun is nearest to the Earth.
Q10: Imaginary line running on the earth divides it into two equal parts. Line is known as the ___________.
(a) Pole
(b) Axis
(c) Equator
(d) None of these
Ans: (c)
The imaginary line dividing Earth into equal halves is the equator (option c). It runs horizontally at 0 degrees latitude.
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