Exploring Earth's Layers
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Objective
I can describe the characteristics of Earth's layers.
Part 1 of 4
Warm-up video
Professor Dave Explains · 10:08Vetted channel
We don't generate video — this one is by Professor Dave Explains on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
The Earth's crust is divided into two types: continental crust, which is felsic and thick, and oceanic crust, which is mafic and thin.
- 2
The mantle is a solid but malleable layer mainly composed of peridotite, and it convects, transferring heat to the surface.
- 3
Earth's magnetic field is generated by the geodynamo in the liquid outer core, and the solid inner core helps stabilize this field.
Part 3 of 4
Practice
7 questions
What are the two types of crust that make up Earth's outermost layer?
Describe the composition and relative density of continental crust compared to oceanic crust.
Part 4 of 4
Exit ticket
Quick comprehension check
“Describe two differences between oceanic crust and continental crust.”
Sample answer included in the free materials
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