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Unit summary

Revise!

1. Explain whether each sentence is true or false. 5. Why is the length of the day and the length
Re-write and correct the false sentences: of the year different on different planets in the
Solar System?
a) The Moon is the closest celestial object to
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the Earth.
EXT What would happen if the Earth rotated faster/
b) The Solar System is our galaxy. slower around the Sun?

c) The Earth is at the centre of the Solar System. 6. Explain the main differences between lunar and
solar eclipses.
d) The seasons occur because the Sun is further
away in winter and closer in the summer.
EXT Why do we not have solar eclipses every
e) The phases of the Moon happen because the Full Moon?
Earth blocks the light from the Sun.
7. Where do the stars go during the daytime?
2. Explain how the four phases of the Moon occur.

3. Draw a labelled diagram of the Earth–Sun system
and explain how the seasons occur on Earth.
4. Explain how the seasons on Uranus would look to
you if you were standing on Uranus’ south pole,
north pole and equator.

Uranus

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