Page 7 - Microsoft Word - SCI KS2 Y3 Y4 gs.doc

Weather – week 5

Wind is m_____________ a_____________.
We record the direction the wind comes f__________.

In 1806 an English sailor named ___________________ worked out a scale from
0-12 to measure the strength of the wind. He looked at the effects of the wind on

houses, trees, clouds and other things around him. The strongest winds are called:

a) h__________________________ b) t__________________________ c) w__________________________

Draw pictures to show the effect of the winds on the Beaufort Scale.
Force 0 – 1 0 – 5kmph Force 1 – 3 1 – 19kmph Force 4 – 5 20 – 38kmph
Effects: Smoke goes up Effects: Moves branches Effects: Small trees blow

Force 6 – 7 38 – 61 kmph Force 8 – 9 62 – 88kmph Force 10 – 11 89 – 117kmph
Effects: Big trees sway Effects: Slates fall of roofs Effects: Widespread damage

Force 12 over 118kmph
Effects: Disaster

What force wind do you think it is today?
I think it is a force ______ wind today.

You may like to design a machine of your own to measure the wind.

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