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Plate Tectonics Vocabulary - Statistics
General Stats
- This quiz has been taken 156 times
- The average score is 17 of 27
Answer Stats
| Hint | First Letter | Answer | % Correct |
|---|---|---|---|
| An area where two or more tectonic plates meet. | B | Plate {boundary} | 92%
|
| Melted rock beneath Earth’s surface. | M | Magma | 83%
|
| Hard and rigid, the earth’s outermost and thinnest layer, only a few miles (5 km) thick under the oceans and averaging 20 miles (30 km) thick under the continents. | C | Crust | 82%
|
| Melted rock on Earth’s surface. | L | Lava | 82%
|
| A trembling and shaking of the earth’s surface resulting from the sudden release of energy at a transform boundary or from volcanic activity. | E | Earthquake | 79%
|
| The innermost layer of the earth: an extremely hot, solid sphere of mostly iron and nickel, about 750 miles (1,200 km) thick and from 3,200-3,960 miles (5,150-6,378 km) beneath the surface. | I | {Inner} core | 78%
|
| The layer of Earth between the core and the crust, containing the lower part of the lithosphere and all of the asthenosphere. | M | Mantle | 78%
|
| A long, narrow, deep area on the ocean floor that is formed at a convergent plate boundary. | O | {Ocean} trench | 76%
|
| A large slab of the lithosphere that floats and moves on the asthenosphere. | T | {Tectonic} plate | 76%
|
| An area where one plate slides under another as the two are pushed together. | C or S | {Convergent | Subduction} boundary | 72%
|
| The name given to the supercontinent that existed more than 225 million years ago when the present-day continents were joined in a single landmass. | P | Pangaea | 72%
|
| An area where contiguous plates move apart, allowing magma to rise from the earth’s interior to fill the gap. | D or S | {Divergent | Spreading} boundary | 71%
|
| A raised area or mountain range under the oceans formed when magma fills the space between two tectonic plates that are spreading apart. | R | Mid-ocean {ridge} | 71%
|
| The liquid layer of the earth (a sea of mostly iron and nickel around 1,400 miles [2,300 km] thick) lying between the mantle and the solid inner core. | O | {Outer} core | 71%
|
| The solid outer part of Earth that includes the crust and upper mantle. | L | Lithosphere | 68%
|
| The point on Earth’s surface that is vertically above an earthquake’s focus. | E | Epicenter | 63%
|
| An area where one tectonic plate bends as it is pulled under the edge of another plate. | S | {Subduction} zone | 62%
|
| A deep valley that forms at the edge of a continent when an oceanic plate sinks underneath a continental plate. | T | Trench | 59%
|
| A crack or fracture in Earth’s crust where two tectonic plates grind past each other in a horizontal direction. | F | Fault | 57%
|
| An earthquake’s point of origin. | F | Focus | 53%
|
| The phenomenon that results when a collision between two continental plates crunches and folds the rocks at the boundary, lifting them up and leading to mountain formation. | C | {Collision} zone | 51%
|
| The process of magma oozing up from the mantle through a crack in the ocean floor, filling in the space between tectonic plates and spreading out from the plate boundary, thus creating new ocean floor and oceanic crust. | S | {Seafloor} spreading | 47%
|
| An area where two plates slide against each other, build up tension, then release the tension with a spurt of movement. | T | {Transform} boundary | 47%
|
| A dropped zone where two tectonic plates are pulling apart. | R | Rift | 41%
|
| A slowly flowing layer of solid and melted rock formed by heat and pressure. | A | Asthenosphere | 37%
|
| A plate boundary where two land masses on plates are pushed together and buckle and fold, creating mountain ranges. | C | {Collisional} boundary | 13%
|
| A straight line of travel where data is being collected. | T | Transect | 9%
|
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