Lesson 3

How does what we find on and below Earth's surface compare in different places?

Lesson Objectives...

Develop a model showing what is happening at a scale larger than we can see (patterns) to help explain what happened to the different mountains to (cause) them to change (in elevation and/or location).
Ask questions that arise from our analysis of information showing that Mt. Everest and four other mountain peaks are changing to seek additional information about what caused the changes (effects) we read about.

6.4 Lesson 3 - Slides

Slide Presentation for Lesson 3...

This is the slide presentation used by your teachers when navigating through Lesson 3.

Develop a predictive model of

what you think you would find

at the top of Mt. Everest:

On the surface
Below the surface:
- A couple inches down
- In the first hundred feet down
- Thousands of feet down (1 mile = 5,280 feet)

Watch the video to gather evidence to figure out what is below Earth's surface.

6.4 Lesson 3 - Reading - What do people did or drill deep underground for and what do they find?

The surface is often covered with sediment (broken rock, dirt, gravel, sand). (Lesson 3)
Sediment and solid rock make up Earth’s surface. (Lesson 3)
Rocks have different properties, including density and melting point. (Lesson 3)
Everywhere we look, solid rock, known as bedrock, is found on, near, or below the surface of Earth. (Lesson 3)
Everywhere we look, solid rock, known as bedrock, is found on, near, or below the surface of Earth. (Lesson 3)
The characteristics of rocks change the deeper underground they are. (Lesson 3)
As we move deeper underground, temperature increases and rocks are more compressed. (Lesson 3)
As rocks become hotter and more compressed, their behavior changes - they changes state, and tend to begin to move and shift (creep). (Lesson 3)
The rock deep below the ocean bottom is more dense than the rock deep below the continents. (Lesson 3)

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