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Earth's layers
| Question | Answer |
|---|---|
| List Earth's layers | Crust, Mantle, Outer Core, Inner Core |
| What layer is the Lithosphere located in | Crust and upper mantle |
| What layer is the Asthenosphere located in | Apart of the Mantle |
| What layer is the Mesosphere located in | Rest of all the Mantle |
| What are the three reasons for heat within Earth's interior | Collisions, Gravity, and Radioactive Decay |
| Who came up with the theory of continental Drift | Wegner |
| What were the 3 pieces of evidence that supported Continential Drift | Puzzle like fit, Fossils, and Glaciers |
| What does the theory of plate tectonics mean | That the large plates on the lithosphere are moving due to convection currents |
| what are the 3 pieces of evidence that support sea floor spreading | Magma is force through oceanic crust Occurs when pillow lava cools Magnetic Reversal |
| List the Earth's layers from innermost to outermost | Inner Core, Outer Core, Mantle, Crust |
| What happens to the pressure as you go deeper into the Earth | It increases |
| What layer is a SOLID metal ball made of nickel and iron | Inner Core |
| What layer is mostly composed of LIQUID nickel and iron | Outer Core |
| The movement of Earth's plates is caused by convection currents in what layer? | Mantle |
| What layer is made up of the three rocks; igneous, sedimentary and metamorphic | Crust |
| List the Earth's layers from coldest to hottest | crust Mantle Outer Core Inner Core |
| What layer is responsible for Earth's magnetic field | Outer core |
| Why is the Earth's inner core solid | high pressure |
| What's the difference between each core | The outer core is fluid, and the inner core is solid |
| Meteorites from space, collide with Earth, Some pieces are broken off, what are those called | Asteroids |
| Scientist think that the Earth's magnetic field supports the idea of relatives, what layers do they think it is | Outer and Inner Core |
| The magnetic field of our planet is extremely important because it protects us from what | Solar Wind |
| How does an earthquake happen | Because the Earth shifts along a fault |