Earth's Ever-Changing Surface
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Objective
I can analyze the interactions between tectonic, weathering, and erosional processes in shaping Earth's surface.
Part 1 of 4
Warm-up video
CrashCourse · 10:57Vetted channel
We don't generate video — this one is by CrashCourse 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
Minerals are inorganic, naturally occurring chemical compounds with a crystalline structure, while rocks are solid collections of minerals.
- 2
Igneous rocks make up about 90 percent of the Earth’s crust and are formed from the cooling and solidification of magma or lava.
- 3
The pressure from the weight of overlying material compacts, cements, and transforms sediments into sedimentary rock, while intense temperature and pressure changes cause existing rock to undergo metamorphism and change into a completely new metamorphic rock type.
Part 3 of 4
Practice
7 questions
Describe the difference in composition between continental and oceanic crust, and explain how this difference affects their densities.
Explain how the cooling rate of magma affects the crystal size in igneous rocks, and provide an example of an intrusive and extrusive rock to illustrate this difference.
Part 4 of 4
Exit ticket
Quick comprehension check
“Describe how tectonic forces, weathering, and erosion interact to transform a mountain range over millions of years. Include specific examples of each process.”
Sample answer included in the free materials
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