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U2, L6&7 Vocab. Sci.
Science vocabulary for unit 2, lessons 6 and 7
Word | Definition |
---|---|
Earthquake | Ground movements that occur when blocks of rock in Earth move suddenly and release energy. |
Focus | A place within Earth along a fault which the first motion of an earthquake occurs. |
Epicenter | The point on Earth's surface directly above an earthquake's starting point, or focus. |
Tectonic Plate Boundary | Where two or more tectonic plates meet. |
Fault | A break in Earth's crust along which blocks of rock move. |
Deformation | The process by which rock becomes deformed and changes shape due to stress. |
Elastic Rebound | The return of rock to its original shape after elastic deformation. |
Volcano | Any place where gas, ash, or melted rock come out of the ground. |
Magma | Melted rock |
Lava | Magma that has reached Earth's surface. |
Vent | Opening of a volcano |
Tectonic Plate | Giant sections of lithosphere on Earth's surface. |
Hot Spot | A location where a column of extremely hot mantle rock, called mantle plume, rises through the atmosphere. |