Plate Tectonics and Earth's Structure Quiz

The theory that the earth's surface is broken into larger pieces of crust called plates

Asthenosphere

Up to 150 km

<p>The mystery of drifting continents</p> Signup and view all the answers

<p>20th century</p> Signup and view all the answers

<p>The movement of the plates is primarily driven by the heat from the earth's core causing convection cells in the mantle</p> Signup and view all the answers

<p>Oxygen, silicon, magnesium, and iron</p> Signup and view all the answers

<p>Ridge push due to plates being higher at the spreading center</p> Signup and view all the answers

<p>Gravity pulls one plate under another plate and back into the mantle</p> Signup and view all the answers

<p>Heat from the radioactive decay of uranium and other elements in the core</p> Signup and view all the answers