Clouds & Particles

1. What happens in clouds?

Worksheet 2

Choose 'basics' or 'more' ..
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Upper Atmosphere	basics	more
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Clouds & Particles	basics	more
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People changing climate	basics	more

1. Cloud names

Can you name these clouds?

1. Click to enlarge (73 kB). Photo: NOAA

2. Click to enlarge (33 kB). Photo: NOAA

3. Click to enlarge (90 kB). Photo: NOAA

4. Click to enlarge (64 kB). Photo: NOAA

2. Fill in the following words in the right spaces in the text below:

cloud condensation nuclei
oceans
droplets
deserts
aerosols
living organisms
cloud

……………………………. can come from ……………………, from ……………… or from ………………………….. They may act as ………………………. so that ………………. can form, eventually making up a …………………..

3. Observation

Look out of the window and register the cloud type(s) you see. What are the names of the clouds?

Authors: Ellen K. Henriksen and Camilla Schreiner - University of Oslo - Norway. Scientific reviewer: Justine Gourdeau - LaMP Clermont ferrand - France - 2004-01-13. Last update: 2004-03-27.

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