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Weather – week 2
TEMPERATURE

Every living thing and everybody needs the sun. It gives us heat and light.
The sun is a star which lies 150,000,000 km from the earth. The sun’s
surface temperature is about 5,800°C. The sun is made up of gases called:-

_______________________ and _______________________ .

We measure the ‘hotness’ or the ‘coldness’ of the air using a thermometer.
We measure in degrees celcius. 0°C is freezing point, 100°C is boiling point.

Name some different types of thermometers:

___________________________________________________

___________________________________________________

Can you think of:
• Clothes we wear in hot weather? _______________________________________

________________________________________________________________________

• Machines that keep you cool? ______________________________________

________________________________________________________________________

• Ways to protect yourself against the sun? ___________________________

________________________________________________________________________

People used to use the sun to tell the time using a sundial. This was before clocks were
invented. They noted the position of the sun and the shadow it cast. Try to make you own
sundial using a template and following the instructions carefully.

INSTRUCTIONS TO MAKE A SUNDIAL

http://www.google.co.uk/search?hl=en&rlz=1W1GGLL_en&q=related:www.bbc.co.uk/norfolk/kids/sum
mer_activities/make_sundial.shtml

USING YOUR SUNDIAL

1. Place the sundial on a level surface in the sunshine.
2. Turn the sundial until it faces south, using a compass.
3. Use the sun to tell the time by marking the position of the shadow on the card every hour.

You can now tell the time using the sun!

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