Snowflakes

Snowflakes are clusters of...

• Ice crystals

• Raindrops

• Water vapor

• Gas and dust

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-1

If you wanted to watch snow crystals forming, where would you look?

• Inside clouds

• Between clouds and the ground

• On the ground

• Inside the ocean

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

How do the molecules of LIQUID water interact?

• They expand to fill whatever container they're in.

• They are locked into a crystal lattice.

• They move around freely.

• They do not interact at all.

Tags

NGSS.MS-PS1-4

What conditions form the most complex snowflakes?

(Think cold and wet.)

• Warm air; high humidity

• Warm air; low humidity

• Cold air; high humidity

• Cold air; low humidity

Tags

NGSS.MS-ESS2-4

Which of the following words is the best synonym for "lattice?"

• Collection

• Iciness

• Assortment

• Grid

Tags

NGSS.MS-PS1-1

What happens inside clouds when the temperature drops to -40 degrees Celsius?

• Water vapor condenses into liquid water.

• Ice melts into water vapor.

• Liquid water freezes into ice.

• Water vapor turns directly into ice.

Tags

NGSS.MS-ESS2-5

As a snowflake falls to earth, it undergoes a change. What type of change does it undergo?

• It changes colors.

• It grows and changes size and shape.

• It loses its crystal lattice structure.

• It melts into water.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which elements make up a water molecule? (H2O)

• Hydrogen and oxygen

• Hydrogen and magnesium

• Oxygen and silver

• Hydrogen and carbon

Tags

NGSS.MS-PS1-1

Can two snowflakes have exactly the same shape/structure?

• No, it's impossible

• It's extremely unlikely

• Probably

• Definitely