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chapter 4 terms
chapter 4 science
Question | Answer |
---|---|
what is a divergent boundary? | the boundary were 2 plates move away from each other. |
what is a convergent boundary? | the boundary were 2 plates move towards each other. |
what is the subduction process? | the process were one plate slowly moves over another. |
what is a transform boundary? | the boundary were the plates move opposite ways. |
what is an earthquake? | the vibrations caused by a rupture and sudden movement of rocks along a break or crack in the earths crust. |
what is the diff between magma and lava? | magma is the molten rock stored beneath the surface lave is the magma that erupts onto earths surface. |
what is a volcano? | vents in earths crust in which molten rock flows. |
what is a mid ocean ridge? | long narrow mountains formed by magma at divergent boundary's. |