ACTIVITY #2

EARLY SNOW CRYSTAL OBSERVATIONS

Johannes Kepler

1. What was the name of the short treatise that Kepler published in 1611 that contained the first scientific reference to snow crystals?

Rene Descartes

2. What was Descartes the first to do?

Robert Hook

3. Why were the snow crystal drawings in Micrographia so unique?

Wilson A. Bentley

4. About how many snow crystal prints are contained in Bentley's book Snow Crystals?

Ukichiro Nakaya

5. What is one of the major differences in the snow crystals that Nakaya and Bentley photographed?