The Science of Snowflakes

What is the shape of a snowflake?

• Hexagonal

• Round

• Square

• Triangle

What causes the six sides of a snowflake?

• Friction

• Gravity

• Magnetic forces

• Covalent bonds

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NGSS.MS-PS1-1

What is the angle between the hydrogen atoms and oxygen in a water molecule?

• 180 degrees

• 104.5 degrees

• 120 degrees

• 90 degrees

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NGSS.MS-PS1-1

What type of bond forms between water molecules in a snowflake?

• Metallic bond

• Hydrogen bond

• Covalent bond

• Ionic bond

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NGSS.MS-PS1-1

What atmospheric conditions affect the shape of a snowflake?

• Cloud cover and precipitation

• Wind speed and direction

• Temperature and humidity

• Air pressure and altitude

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NGSS.MS-ESS2-5

What type of snow is easier to pack for building snowmen?

• Powdery snow

• Wet snow

• Dry snow

• Slushy snow

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What role does melted snow play in skiing?

• Creates friction

• Makes skiing difficult

• Helps skis slide

• Causes snow to melt faster

Why is it difficult to find two identical snowflakes?

• They melt too quickly

• They are too small

• They have different branching points

• They are too fragile

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NGSS.MS-PS1-4

What creates a thin layer of water on the surface of the snow for skiing?

• Sunlight

• Friction from skis

• Snow melting

• Warm air

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NGSS.MS-PS1-4

NGSS.MS-ESS2-4

Have you ever touched snow?

• Yes

• No