ENGLISH-Stunning Snowflakes- Science World

What is the device invented by Nathan Myhrvold used for?

• To melt snowflakes

• To capture sharp images of snowflakes

• To create snowflakes

• To weigh snowflakes

What material is used for the sheet that holds the snowflake?

• Glass

• Plastic

• Artificial sapphire

• Metal

Why is artificial sapphire used for the slide?

• It is cheaper than glass

• It stays cooler than glass when cooled

• It is more colorful

• It is heavier than glass

Tags

NGSS.MS-PS1-3

What is the purpose of the refrigerant in Myhrvold's device?

• To heat the snowflake

• To keep the device warm

• To keep the device cold

• To change the color of the snowflake

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What does the camera use to capture images without melting the snowflake?

• A long exposure

• A light pulse of only one millisecond

• A constant light

• A flash every second

Tags

NGSS.MS-PS4-2

What shapes do snowflakes take at temperatures around -20°C (-4°F)?

• Dendrites and Plates

• Needles and Columns

• Solid Prisms and Thin Plates

• Sections and Needles

Tags

NGSS.MS-PS1-4

At what temperature range do solid prisms of snowflakes form?

• -35°C to -30°C

• -10°C to -5°C

• -20°C to -15°C

• 0°C to 5°C

Tags

NGSS.MS-PS1-4

What factor, besides temperature, affects the shape of snowflakes?

• Wind speed

• Humidity

• Altitude

• Air pressure

Who took the photos of the snowflakes in Alaska and Canada?

• Kenneth Libbrecht

• Nathan Myhrvold

• Albert Einstein

• Isaac Newton

What shape is most likely to form at temperatures below -30°C?

• Columns

• Plates

• Dendrites

• Needles

Tags

NGSS.MS-PS1-4