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Java Games: Flashcards, matching, concentration, and word search. |
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Landforms --- Mountains
How can a great mountain form?
Basic knowledge of earth internal structure should be known.
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| A | B |
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| The radius of the earth | 6370Km |
| Core at the depth of .... | 2900Km |
| The thinkness of mantle | 2895Km |
| The evidence of continental drift | palaeomagnetism |
| The evidence of sea floor spreading | magnetic anomaly |
| Destructive boundary is | two plates move together |
| Constructive boundary is | two plates move apart |
| Features of divergent boundaries | Mid-oceanic ridge, rift valley, submarine volcanoes |
| Features of convergent boundaries | oceanic trenches, fold mountain, island arcs |
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