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Java Games: Flashcards, matching, concentration, and word search. |
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Inside the Earth
layers of the earth, Pangaea, continental drift, sea-floor spreading, plate tectonics,magnetic poles, geographic poles, magnetic field
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| sea-floor spreading | new crust forms at the mid-ocean ridges |
| continental drift | land masses have moved from millions of years ago |
| Pangaea | one super- continent |
| plate tectonics | lithosphere is broken in sections |
| crust | thinnest and outermost layer of the earth |
| mantle | largest layer of the earth...solid rock |
| asthenosphere | partly melted egion in the upper mantle |
| inner core | solid iron and nickel |
| outer core | molten iron and nickel |
| lithosphere | crust and upper mantle |
| hydrosphere | watery part of the earth |
| magma | melted rock |
| magnetic north pole | Hudson Bay, Canada |
| magnetic south pole | Wilkesland, Antarctica |
| magnetic poles | where the strongest magnetism is felt |
| convection currents | heat from the core moves plates by rising and sinking |
| equator | imaginary line around the center of the earth |
| axis | imaginary line through the poles |
| magnetosphere | name of Earth's magnetic field |
| plate | a sectionof lithosphere |
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