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# Day 92 - Earth's Layers (Hands-on Activity)

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## Nathaniel Benson

on 7 January 2016

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#### Transcript of Day 92 - Earth's Layers (Hands-on Activity)

Bellwork
Materials: Notebook + Pen/Pencil
1. Do temperature and density of rocks inside the Earth INCREASE or DECREASE as you travel towards the center?
2. What two metals make up most of the composition of the Earth's core?
3. Which of the Earth's structural layers do you live on?

Brain teaser:
What is
this animal?
Earth's Layers Model
Use the materials provided to create a scale model of the Earth's layers - The Crust, Mantle, and Core.

Goal: Make it to scale.
Try your best to make your layers a as close to their actual size (relative to each other) in real life. This is just an estimate/hypothesis based on what you know.

Color Key:
Crust = green

Mantle = Orange
Core = Grey
Key Terms (PAGE 32)

Compositional Zones
Crust:
Mantle:
Core:
Structural Zones
Oceanic Crust:
Continental Crust:
Lithosphere:
Asthenosphere:
Mesosphere:
Magnetosphere:
p.31
1. On page 31, draw a circle with an 8cm radius.

Label it like this.
Crust
Mantle
Magnetosphere
Continental & Oceanic Crust
Crust
Mantle
Simulation of
Convection
Inner/Outer Core
Lithosphere
Asthenosphere
Earth's Layers (p.31)
Earth's Layers - Depth
Crust = 22 Miles
Mantle = 1,768 Miles
Core = 2,112 Miles

Diameter of Earth: ~8,000 miles
Earth's shape: Oblate Spheroid
(aka "squashed sphere")
(bottom of p. 32)
Outer
Core
Inner
Core
mesosphere
Mantle
Crust
purpose (p. 31):
Model the internal structure of the Earth

Page 32: Answer questions 1, 3, 4, 5, & 8
Do questions 1, 3, 4, 5, & 8 from page 32 in textbook.
Write answers on p. 31 of notebook.
Earth's Layers Model
Use the materials provided to create a scale model of the Earth's layers - The Crust, Mantle, and Core.

Goal: Make it to scale.
Try your best to make your layers a as close to their actual size (relative to each other) in real life. This is just an estimate/hypothesis based on what you know.

Color Key:
Crust = green

Mantle = Orange
Core = Grey
p.31
Core
Crust
Mantle
Page 32: Answer questions 1, 3, 4, 5, & 8
Bellwork
Materials: Notebook + Pen/Pencil + Clicker
1. Which of the Earth's compositional layers has the highest temperature?
2. What is the Earth's core composed of?
3. Which of the Earth's compositional layers do you live on?

Brain teaser:
Lithosphere
Asthenosphere
Earth's Layers
Outer Core
Core
Inner
Core
mesosphere
Mantle
Crust