Soil: Can you dig it?

Brains On! Science podcast for kids

Lemonada Media

Kids & Family, Education For Kids

4.5 • 14.7K Ratings

🗓️ 18 December 2018

⏱️ 29 minutes

🔗️ Recording | iTunes | RSS

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Summary

We’re ready to get our hands dirty as we explore the stuff beneath our feet. Clay, sand, mud — soil is everywhere. And it’s alive! We’ll find out how it helps plants grow and learn about all the little organisms that are invaluable in the process (hint: it involves something called the “poop loop”). Plus: A brand new Moment of Um answers the question: “What’s inside of a tooth?” Today’s episode is sponsored by the CBC podcast Tai Asks Why and Quip (getquip.com/brainson). You can support Brains On at brainson.org/donate See omnystudio.com/listener for privacy information.

Transcript

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0:00.0	You're listening to brains on, where we're serious about being curious.
0:04.6	Brains on is supported on part by a grant from the National Science Foundation.
0:14.1	What do we know about dirt?
0:15.9	It's fun to play in, it gets on your clothes, and under your fingernails, and maybe in your hair.
0:21.4	And maybe you accidentally eat some of it?
0:24.1	But dirt is not what vegetables and plants grow in.
0:27.8	Nope.
0:28.7	That's soil.
0:30.1	Right.
0:31.0	Dirt may be soil, but soil is not just dirt.
0:34.7	Clay sand mud.
0:36.9	Soil is everywhere.
0:39.6	Even on the bottom of the ocean.
0:42.0	And it's alive.
0:43.8	Today, we're digging into the stuff that's beneath our feet and we have a lot in store for you.
0:48.7	So let's get started.
0:50.6	Brains on!
0:55.4	This is...
0:57.8	Broccoli.
0:58.8	We're growing right here carrots.
1:00.4	Here we have red lettuce.
1:02.4	We planted it a little after we began the square.
	...

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