The Science of Snow

What is water vapor?

• Water in the form of gas

• water droplets

• The speck in the middle of the snowflake

• Ice crystals

Which thing below is visible.

• air

• molecules

• Kevin Bacon

• germs

Which one of these things is not visible.

• grass

• DNA

• bubbles

• snowflakes

Why is a speck important?

• It starts the snowflake to grow.

• It makes the snowflake taste good.

• It makes the snowflakes stick together.

• It makes the snowflake melt.

Which one is not a speck.

• ash from a volcano

• pollen

• salt

• a bug

What two conditions affect the shape of snowflakes

• Temperature and wetness

  ( humidity)

• The size of the cloud and the amount of water

• how fast the wind is blowing and how wet it is

• the kind of speck it has and temperature

Name the three types of snowflakes

• star, plate, column

• star, dendrite, column

• hollow, solid, capped

• rime, plate, hollow

Dendrite means

• the funny bumps on the snowflakes

• tree shaped

• when two snowflakes stick together

• water molecules

Plate snowflakes

• have 6 arms

• are shaped like hexagons

• are the most complex snowflake

• are very large

Column snowflakes

• Dont have a speck

• are very large

• are shaped like pencils

• grow the fastest