Rotations, Reflections, and Translations in Nature

Snowflake Symmetry

Six sided crystals

• Snowflakes are all six sided because of their chemistry

• Snowflakes are made of water molecules• Water molecules are “polar” – they have an

electrical charge• The charge makes the molecules look like

Mickey Mouse!

Power of Three

• Three water molecules that stick together form the base of the snowflake

• These keep adding more until it gets so heavy it falls to the ground

Avalanche!

• Snow is very heavy• When snow piles up, it can fall in an avalanche• Avalanches can be very dangerous, so watch

out for warning signs in mountainous areas

Just a few of millions….

….and a few more because I love them.

…and what family is complete without a few oddballs?

Frost forms on windows and plants. It must have a catalyst.

Solid, Liquid, GasWater is a marvelous thing!

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