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Inside Earth Words
Earth: Yesterday, Today, and Tomorrow Unit Vocabulary
| Question | Answer |
|---|---|
| convecting mantle | made up of very hot liquid iron and nickel, it slowly around the Earth’s metallic core |
| crust | the outer layer of the planet that is very thin compared to the other layers and is made up of soil and rock |
| lithosphere | the Earth’s outermost shell that includes the crust and uppermost part of the mantle |
| metallic core | located at the center of the Earth, it is very hot sphere of solid iron and nickel |
| plate tectonics | the motion of the Earth’s plates |
| upper mantle | lies beneath the Earth’s crust, is very hot, and mostly solid |
| mountain building | occurs when two continental plates collide or push against one another |
| earthquake | the shaking or trembling of the Earth due to the movement of tectonic plates |
| faults | the boundaries of the tectonic plates where plate movement occurs |