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Game 1-4
Earth's History
| Question | Answer |
|---|---|
| What theory states that the lithospheric plates are in constant slow motion? | Theory of Plate Tetonics |
| What causes movement of earth's lithospheric plates? | Convection Curves |
| What process pulls the ocean floor back into the mantle? | subduction |
| Where does sea-floor pleading occur? | Next to mid ocean ridge |
| Name 3 pieces of evidence that sport the existence of Pangaea | Mountains Fossils Land masses |
| What is the name of the single giant land mass that existed 250 million years ago? | Pangaea |
| What theory states that the continents were once joined Ina a single landmass that has since broken apart? | Continental Drift |
| When two plates diverge in the ocean, what do they form? | New oceanic crust |
| What mountain rampage in SA was firmed when plates collided? | Andes Mountains |
| What are the types of crust that can make up plates? | Continental Oceanic |
| What type of boundary formed the great Rift Valley in Africa? | Divergent |
| What process makes new ocean crust? | Sea-floor spreading |
| What type of plate boundary formed the Himalayan Mountains? | Convergent |
| What evidence supports that sea floor spreading occurs? | Magnetic strips on the sea floor |
| What type of plate boundary formed the St Andreas Fault in CA? | Transform |
| Wha do the lithospheric plates float on? | Asthenosphere |
| Where does subduction occur? | Trench |
| Wha type of heat transfer occurs in the atmosphere? | Convection |
| Where does the heat come from that heats up the atmosphere? | Inner core |
| What are the three layers of the earth? | Crust Mantle Core |
| Which makes up 64-67% of the earth's mass? | Mantle |
| Which part of the earth is made of liquid metal? | Outer core |
| What region of the earth is divided into sections called Tectonics plates? |