[ Home ] [ Up ]

1. How long does it take the Earth to spin round once? (lesson 17a)
2. How long does it take the Earth to go once round the sun? (17a)
3. a) In ------, our part of the Earth is tilted towards the Sun. b) At that time of year, the Sun is ------ in the sky. (17a)
4. It takes the Moon about one ----- to orbit the Earth. (17b)
5. What do we call the phase of the Moon when its whole face is lit up? (17b)
6. What happens in an eclipse of the Sun? (17b)
7. How many planets are there? (17c)
8. Which is the biggest planet? (17c)
9. Which planet is nearest to the Sun? (17c)
10. Which is the coldest planet? (17d)
11. Which planet is covered in thick clouds of acid? (17d)
12. What are the rings of Saturn made of? (17d)
13. What is our galaxy called? (17e)
14. What is a light year? (17e)
15. What do we call all the galaxies and the space between them? (17e)

ANSWERS

1. 24 hours.
2. A year (365 1/4 days).
3. a) summer. b) higher.
4. Month.
5. A full moon.
6. The Moon come directly between the Sun and the Earth.
7. 9.
8. Jupiter.
9. Mercury.
10. Pluto.
11. Venus.
12. Chunks of ice and rock.
13. The Milky Way.
14. The distance that light travels in one year.
15. The Universe.