Lesson 1 of 4
How volcanoes form
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4 lessons · Novice
About this study
“How volcanoes form” is a free, 4-lesson study at novice, created with soclever, a personal AI teacher. Each lesson takes a few minutes and ends with a check-in question; finish the curriculum and you can take a certificate test to earn a diploma. Starting is free once you sign in — or generate your own study on any topic.
What you'll learn
- What Is Magma?. You're standing in a deep mine in Iceland, and the drill bit just hit something that shouldn't exist at this depth—rock so hot it's begun to flow like honey. That's magma: melted…
- How Magma Forms Underground. Deep below the surface, rock doesn't stay solid. The three ways it melts into magma tell you almost everything about where volcanoes come from. Start with heat. Earth's interior…
- Plate Tectonics & Volcano Hotspots. Tectonic plates are enormous slabs of rock that make up Earth's outer shell, and they move slowly across the planet like puzzle pieces that never stay still. Where two plates…
- Magma's Journey to the Surface. When magma starts its rise toward Earth's surface, what actually stops it from staying buried in the crust? Magma is less dense than the solid rock around it—think of it like an…
Questions this study answers
- What's the difference between magma and lava?
- Why might rock melt underground even if the temperature stays exactly the same?
- What's the main difference between how volcanoes form at a plate boundary versus over a hotspot?
- Why does magma rise through the crust even though solid rock is denser and heavier?
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