Snowflakes Flashcard

Front

What percentage of the earth's water is fresh water?

Back

Only 2% of the earth's water is fresh water.

Front

Who was the first person to photograph snowflakes?

Back

Wilson Bentley was the first person to photograph snowflakes.

Front

What happens to water vapor in clouds at -40 degrees Celsius?

Back

Water vapor turns directly into ice.

Front

How many points or sides do snowflakes typically have?

Back

Snowflakes typically have 6 points or sides.

Front

Has anyone successfully grown a snow crystal?

Back

No one has successfully grown a snow crystal.

Front

What is the process called when water vapor turns directly into ice?

Back

Sublimation.

Front

What are snowflakes primarily made of?

Back

Snowflakes are primarily made of ice crystals.

Front

What factors influence the shape of a snowflake?

Back

Temperature and humidity influence the shape of a snowflake.

Front

What is the term for the study of snowflakes?

Back

The study of snowflakes is called 'snowflake science' or 'crystallography'.

Front

What is the significance of Wilson Bentley's work?

Back

Wilson Bentley's work helped to document the unique structures of snowflakes.