YouTube: https://youtube.com/watch?v=VMxjzWHbyFM
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MLA Full: "Four Spheres Part 1 (Geo and Bio): Crash Course Kids #6.1." YouTube, uploaded by Crash Course Kids, 15 April 2015, www.youtube.com/watch?v=VMxjzWHbyFM.
MLA Inline: (Crash Course Kids, 2015)
APA Full: Crash Course Kids. (2015, April 15). Four Spheres Part 1 (Geo and Bio): Crash Course Kids #6.1 [Video]. YouTube. https://youtube.com/watch?v=VMxjzWHbyFM
APA Inline: (Crash Course Kids, 2015)
Chicago Full: Crash Course Kids, "Four Spheres Part 1 (Geo and Bio): Crash Course Kids #6.1.", April 15, 2015, YouTube, 04:01,
https://youtube.com/watch?v=VMxjzWHbyFM.
In this episode of Crash Course Kids, Sabrina talks about two of the four spheres that make up our planet; The Geosphere and the Biosphere. What's in these spheres? How do they affect us? How do they fit into the puzzle that is Earth? All is contained within!

This first series is based on 5th-grade science. We're super excited and hope you enjoy Crash Course Kids!

///Standards Used in This Video///
5-ESS2-1. Develop a model using an example to describe ways the geosphere, biosphere, hydrosphere, and/or atmosphere interact. [Clarification Statement: Examples could include the influence of the ocean on ecosystems, landform shape, and climate; the influence of the atmosphere on landforms and ecosystems through weather and climate; and the influence of mountain ranges on winds and clouds in the atmosphere. The geosphere, hydrosphere, atmosphere, and biosphere are each a system.] [Assessment Boundary: Assessment is limited to the interactions of two systems at a time.]

Want to find Crash Course elsewhere on the internet?
Crash Course Main Channel: https://www.youtube.com/crashcourse
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Twitter - http://www.twitter.com/thecrashcourse
Tumblr - http://thecrashcourse.tumblr.com

Credits...

Executive Producers: John & Hank Green
Producer & Editor: Nicholas Jenkins
Cinematographer & Director: Michael Aranda
Host: Sabrina Cruz
Script Supervisor: Mickie Halpern
Writer: Ben Kessler
Consultant: Shelby Alinsky
Script Editor: Blake de Pastino

Thought Cafe Team:
Stephanie Bailis
Cody Brown
Suzanna Brusikiewicz
Jonathan Corbiere
Nick Counter
Kelsey Heinrichs
Jack Kenedy
Corey MacDonald
Tyler Sammy
Nikkie Stinchcombe
James Tuer
Adam Winnik

Intro graphic plays

(0:10) Earth is kind of like a puzzle. And I don't mean a puzzle like, "Where did my brother put my hairbrush?" or "What exactly is in the tacos they serve on Taco Tuesday?" I mean that our planet is made up of four very different parts that all work together to make Earth the lovely place that we know it to be. We call these parts 'spheres', and between them they contain all the stuff on our planet; everything from the fish in the ocean to the air we breathe.

Earth has four spheres: the geosphere, the biosphere, the hydrosphere, and the atmosphere.

(0:42) So what exactly are the spheres? And what's in them?

(Big Question graphic plays)

Let's take a look at two: the geosphere and the biosphere.
Up first is the geosphere. Geo comes from the Greek word for 'ground'. You may have heard this before in words like "geology" or "geography". It basically means 'having to do with the earth'. And in a way the geosphere is kind of like the skeleton of our planet; all of the other spheres are built on top of it. It's made up of all the rocks and minerals on Earth, from the biggest boulders to the tiniest grains of sand. And all of the landforms that those rocks and minerals make up are part of the geosphere, too. I'm talking volcanoes, canyons, beaches, mountains! You name it, if it's made out of solid earth it's part of the geosphere.

(1:31) Now it's important to remember that the geosphere includes only non-living stuff. Living things do need to eat, though, and all living things are part of another one of Earth's spheres: the biosphere.

Bio is Greek for "life", and like geo, you've probably heard it before in words like "biology", the study of life. The biosphere is made up of many different biomes. Biomes are regions that have similar kinds of plants, animals, and other living things that have adapted to live in that particular region's terrain and climate.

Deserts and forests are types of biomes. So are rainforests, grasslands, and wetlands. All of these biomes, and many more, make up the biosphere.

'Kay. Now that we know what's in these two spheres, let's put them together and try to figure out what belongs to which sphere.

(2:20Investigation graphic plays

Imagine a lovely forest meadow. A bird perched on a rock, chirping away, a deer standing in the tall grass, a mountain standing tall in the background, and a stream flowing through the clearing.

Ah- I can almost smell it!

Almost everything in this scene is part of either the geosphere or the biosphere. Let's see if we can figure out which parts go into which sphere.

Let's start with the geosphere. We know that there's nothing alive in the geosphere, so we can rule out all the plants and animals. Water is also part of a different sphere, but we'll talk about that later. When we take away the living things, we're left with all the solid earth parts of the scene. The rock the bird was standing on, the soil the grass was growing out of, the mountain in the distance, and the bed the stream water flowed through. So what we're left with is the geosphere. Rocks, soils, and landforms. Got it?

Now let's think about the biosphere. Unlike the geosphere, everything in the biosphere is alive, so the rocks, the mountain, and the stream: they don't count. Now we're just left with the living things: the grass, the birds, the deer. Voíla! You've found the biosphere.

(3:31Conclusion graphic plays

So now you know two of Earth's four spheres: the biosphere and the geosphere. While they're different puzzle pieces of Earth, they work together to help make our planet what it is.

'Kay. Now I gotta go find where my brother put my hairbrush.