Earth Layers Density

On Page 1 of your notes:

1. If you were trying to dig a hole to China, do you think you would be able to? Why or why not?

2. Compare this apple slice to the interior of the Earth. How does each layer of the apple correspond to each layer of the Earth?

Bell Ringer: Science/ Density

Today’s LEQ: Why is the inside of the Earth divided into layers?

By the end of today, you should be able to…

1. Define Density.

2. Explain the difference between objects that are more dense and objects that are the least dense.

3. Identify objects that are more dense and less dense in comparison to each other.

What do we call this?

The Earth has 4 Separate Layers… WHY????

1. Testable Question:

• Why does Earth’s inside separate into layers? Why aren’t they all mixed up?

2. Background Information

• What do you think the inside of the earth looks like?

2. Background Information

• Density = mass / volume• Density is the science word for heavy.• More dense materials sink• Less dense materials float• Gravity pulls ____________________.

Daily Vocabulary:

Use your book to define the word and Make a Word Web for each word:

Density

Inner Core

Outer Core

Mantle

Density

Inner Core

Outer core

Mantle

Experiment- Page 3 in your notes

• Density Lab• Explore how density affects the

layers of the Earth–Time management–Follow procedures–Clean up

Research/Background Information

Layer Temperature Density Features

Inner CoreOuter Core Mantle

Synthesize this Information…

Turn to your partner and complete:• Density is _____• ______ dense materials sink• ______ dense materials float

Hypothesis • Page 2 in your notes- label it Density

experiment• I predict that Earth’s inside separates

into layers because: ________________________________________________________________

Gather Data

• Draw and label what your graduated cylinder looks like. (Make sure you label each liquid)

Analyze Data

• Why did the syrup sink to the bottom?• Why did the oil float on top?• Make an analogy comparing your

density column to the layers of the earth.– Ex: The syrup is like the inner core

because it is the most dense layer.

• Draw a cross section of the inside of the earth and label each layer.

• If you were trying to dig a hole to China, do you think you would be able to? Why or why not?

• Why does Earth’s inside separate into layers? Why aren’t they all mixed up?

Write Time! What did we learn?

Apply what you’ve learned!

Layer A

Layer B

Layer C

Layer D

Material

Density (g/mL)

Iron 5.3

Lead 12.1

Marble 2.4

Phosphorus

Check Out Steve!

http://www.stevespanglerscience.com/content/science-video/seven-layer-density-science

Earth Layers Density

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