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L2
Homework
All in a day
HELP
1 Look at this diagram of the Earth.
a Copy and complete the table.
Country
Day or night?
UK
night
Sahara Desert
China
Australia
Sri Lanka
b John wants to telephone his sister, who lives in
Australia. Why would it not be a good idea to ring at
lunchtime to wish her a happy birthday?
© Harcourt Education Ltd 2003 Catalyst 1
This worksheet may have been altered from the original on the CD-ROM.
Sheet 1 of 2
L2
All in a day (continued)
Homework
CORE
2 The diagram shows a photographic image taken by a
camera that has been focussed on some stars.
The dot in the centre is the Pole Star. The curves are
other stars.
a For how many hours was the camera shutter open?
b Why does the Pole Star appear as a spot, when the
other three stars show a track? (Hint: think about the
name of the Pole Star!)
3 The diagram below shows one of the two types of eclipse
that can be seen from the Earth.
Moon
Earth
Sun
a Which type of eclipse does the diagram show?
b What is the other type of eclipse that sometimes
happens?
c In a total eclipse of the Sun, the shadow of the Moon
does not cover the whole of the Earth. Explain why not.
EXTENSION
4 Draw a fully labelled diagram to show how the Sun, Earth
and Moon can align to give a solar eclipse.
5 The Moon orbits the Earth once every 28 days. It also spins
once on its axis during this time. Explain why, when we
look at the Moon, we always see the same side.
© Harcourt Education Ltd 2003 Catalyst 1
This worksheet may have been altered from the original on the CD-ROM.
Sheet 2 of 2