thunderstorm

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20 08, 2017

Nimbus clouds – Rain clouds – Weather

By |2018-11-09T06:53:08-07:00August 20th, 2017|Physics|5 Comments

Cumulonimbus clouds are a type of nimbus cloud What is a nimbus cloud? Nimbus clouds often mean that a thunder storm is brewing: there may soon be thunder and lightning. Get out of the swimming pool! What causes thunderstorms? Other kinds of clouds More about weather Nimbus is a fancy word, but it really just means [...]

20 08, 2017

What causes wind (Hot air rises) – Wind and weather Science

By |2018-09-19T08:16:28-07:00August 20th, 2017|Physics|7 Comments

Hot air balloon - hot air rising is what causes wind Hot air is lighter than cold air When something is hot, its molecules are farther apart than when it is cold. When air is hot, its molecules are further apart, so it takes up more room. That makes hot air lighter than cold air, because the [...]