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Geo - Physical Earth
| Question | Answer |
|---|---|
| Small, irregularly shaped, planet-like objects. Found in the Asteroid Belt. | Asteroids. |
| MAde of icy dust particles and frozen gases. Look like bright balls with long, feathery tails. | Comets. |
| Pieces of space debris. When they hit Earth, they're called meteorites. | Meteoroids. |
| Oceans, lakes, rivers, and other bodies of water. About 70% of Earth's surface is water. | Hydrosphere. |
| The earth's crust. About 30% of Earth's surface is land. | Lithosphere. |
| Layer of gases extending above the planets surface. The air we breath is part of this. | Atmosphere. |
| The part of Earth that supports life. Life outside this exists only with the assistance of mechanical life-support systems. | Biosphere. |
| A deep, narrow valley with steep sides. | Canyon. |
| Land built up at the mouth of a river. | Delta. |
| Flat or gently rolling land, usually not far above sea level. | Plateau. |
| curved or pointed part of a coastline that sticks out into the water. | Cape. |
| narrow piece of land connecting two larger pieces of land. | Isthmus. |
| A small stream of water that flows through the land feeding into a river. | Tributary. |
| Super-hot, solid. Made up of iron and nickel under enormous pressure. Inner layer of the Earth. | Core. |
| Think layer of hot, dense rock. Middle layer of the Earth. | Mantle. |
| Outer layer of the Earth. A rocky shell, forming the Earth's surface. | Crust. |
| Theory that the continents were once joind and then slowly drifted apart. | Continental Drift. |
| 240 million years ago, the continents moved together to form one big continent called this. | Pangaea. |
| All of the physical processes that create many of the Earth's physical features. | Plate Techtonics. |
| This is when the heavier sea plate dives beneath the lighter continental plate. | Subduction. |
| When sea plates pull apart. | Spreading. |
| When layers of rock bend. | Folding. |
| Cracks in the Earth's crust. | Faults. |
| One of the most Earthquake-prone areas on the planet. | Ring of Fire. |