Christmas Science

Snow crystals form when water vapour changes from a gas directly into a solid. This is called:

• Evaporation

• Condensation

• Sublimation

• Deposition

True/False: Snow is white due to ice crystals reflecting all colours in the light

• True

• False

Tags

NGSS.MS-PS4-2

What conditions are needed to create heavy snow?

• moisture & warm temperatures

• dry air & warm temperatures

• moisture & cool temperatures

• dry air & cool temperatures

Tags

NGSS.MS-ESS2-5

True or False? Snow is always present somewhere in the world?

• True

• False

Tags

NGSS.MS-ESS2-4

What temperature range is ideal to form snowflakes in the winter?

• 10º to 20ºC

• 5º to 10ºC

• 10º to 15ºC

• -10º to 0ºC

True or False? All snowflakes are unique.

• True

• False

What colour does snow look when light must pass through thicker ice crystals?

• Purple

• Blue

• Green

• Red

How many sides or branches does a typical snowflake have?

• 3

• 5

• 6

• 8

True or False? Water molecules in a snowflake line up in a perfect octagonal pattern.

• True

• False

What causes the unique pattern of a snowflake?

• the month in which it forms

• the altitude at which it forms

• the time of day it forms

• the path it takes through the clouds