Skip to content← All paths- 1.GEO-13The Egg That Explains the PlanetGeography~28 minIs the ground under your feet solid rock all the way down to the center of the planet? No, most of Earth's middle layer slowly flows like thick putty, and the hottest part of all is somehow solid.
- 2.GEO-14The Crackers That Wouldn't Sit StillGeography~25 minIs the ground under a country a fixed, permanent spot? No, it's riding on a slow-moving plate that drifts a few centimeters a year, about as fast as your fingernails grow.
- 3.GEO-15The Squeeze That Built a MountainGeography~25 minDo all mountain ranges form the same way? No, two continents colliding crumples land straight up, while an ocean plate colliding with a continent sinks and erupts as volcanoes instead.
- 4.GEO-16The Stick That Finally SlippedGeography~26 minDoes an earthquake happen because the ground suddenly decides to move? No, it's the sudden release of stress that's often been quietly building along a locked fault for decades.
- 5.GEO-17The Bottle That Decided How Hard to ExplodeGeography~25 minDoes a volcano's violence come from how much magma it has? No, it mostly comes down to how easily trapped gas can escape, the same reason a shaken soda bottle can be opened calmly or explosively.
- 6.GEO-18The River's Secret SandpaperGeography~25 minDoes a river carve a canyon mainly by dissolving rock with water? No, it's the sand and gravel a river already carries, scraping like sandpaper, that does most of the real cutting.
- 7.GEO-19The Rock That's Never Really FinishedGeography~28 minDoes a rock, once formed, stay that exact type forever? No, every rock is partway through an endless loop between igneous, sedimentary, and metamorphic, forever.