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Brains On! Podcast, Happy: All about feelings (3)

Happy: All about feelings (3)

Specifically, I am a snow scientist. I use instruments like radar and videos and images of snowfall to study the properties of snow. I do this all over the world.

You have this great observation of snow right, You say, "I observe snow when it first falls as a powder." What you're actually seeing is a collection of small crystals, and as you have ice falling in the atmosphere, the temperature and moisture of the atmosphere determines the shape of a snowflake. The result is you have this fluffy, powder-like collection of ice crystals at the surface.

Then when all those ice crystals melt, they all flatten out into a bunch of water that's all collected together. That's a much more dense material so it turns from a big fluffy pile into a flat sheet, like a puddle.

And then when that refreezes that block is much denser than the snow crystals that fall out of the air. The powder becomes liquid or the crystals become liquid and then that liquid freezes as an ice slab.

You can't actually reform these crystals once they're on the surface. You have a snowstorm that produces ten inches of snow. If you were to melt down those ten inches into water, you would have one inch of water. So we went from snow which was 10:1. Then we went to water which is 1:1. Then that water froze as an ice block which is approximately 1:1. It's all about the change in density.

Molly: This list of names makes me so very happy. This is the Brains Honor Roll. These are the lovely listeners who share their brilliance with us in the form of questions, ideas, mystery sounds and drawings. We love you.

HONOR ROLL

Molly: We'll be back soon with more answers to your questions!

DaCari: Thanks for listening!


Happy: All about feelings (3) Vesel: Vse o občutkih (3)

Specifically, I am a snow scientist. Natančneje, jaz sem snežni znanstvenik. I use instruments like radar and videos and images of snowfall to study the properties of snow. Za preučevanje lastnosti snega uporabljam instrumente, kot so radar, video posnetke in slike sneženja. I do this all over the world. To počnem po vsem svetu.

You have this great observation of snow right, You say, "I observe snow when it first falls as a powder." Prav imate to odlično opazovanje snega, pravite: "Opazujem sneg, ko prvič pade kot prah." What you're actually seeing is a collection of small crystals, and as you have ice falling in the atmosphere, the temperature and moisture of the atmosphere determines the shape of a snowflake. To, kar dejansko vidite, je zbirka majhnih kristalov, in ko v ozračje pada led, temperatura in vlaga ozračja določata obliko snežinke. The result is you have this fluffy, powder-like collection of ice crystals at the surface. Rezultat je, da imate na površini puhasto zbirko ledenih kristalov, podobnih prahu.

Then when all those ice crystals melt, they all flatten out into a bunch of water that's all collected together. Potem, ko se vsi ti ledeni kristali stopijo, se vsi sploščijo v kup vode, ki se zbere skupaj. That's a much more dense material so it turns from a big fluffy pile into a flat sheet, like a puddle. To je veliko bolj gost material, zato se iz velikega puhastega kupa spremeni v ravno ploščo, kot je luža.

And then when that refreezes that block is much denser than the snow crystals that fall out of the air. The powder becomes liquid or the crystals become liquid and then that liquid freezes as an ice slab.

You can't actually reform these crystals once they're on the surface. You have a snowstorm that produces ten inches of snow. If you were to melt down those ten inches into water, you would have one inch of water. So we went from snow which was 10:1. Then we went to water which is 1:1. Then that water froze as an ice block which is approximately 1:1. It's all about the change in density.

Molly: This list of names makes me so very happy. This is the Brains Honor Roll. These are the lovely listeners who share their brilliance with us in the form of questions, ideas, mystery sounds and drawings. We love you.

**HONOR ROLL**

**Molly:** We'll be back soon with more answers to your questions!

**DaCari**: Thanks for listening!