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Plate Boundaries
Charanza
| Question | Answer |
|---|---|
| What boundary most likely causes mountains to form? | convergent boundary |
| Two plates come together at what boundary? | convergent boundary |
| Two plates spread apart at what boundary? | divergent boundary |
| Two plates slide past each other at what boundary? | transform boundary |
| Subduction zone usually occurs at a ____ boundary (convergent, divergent or transform)? | convergent boundary |
| When you have an oceanic plate and a continental plate that collide, which plate will subduct (go under the other) the oceanic plate or the continental plate? | oceanic plate |
| Why will one plate subduct under the other plate? | density (the denser plate will go under the less dense plate as gravity pulls the plate down) |
| What occurs in the mantle to cause plates to move (convection, conduction or radiation)? | convection |
| Which of Earth's layers is the thinnest? | crust |
| Why is the inner core solid? | pressure |
| Water that is heated by geothermal energy (earth's heat) and erupts forms a _____. | Geyser (this does not depend on plate movement only heat within the Earth) |
| What boundary does seafloor spreading occur: convergent, divergent or transform boundary? | divergent boundary |
| What causes the continents to drift apart? | seafloor spreading (plate tectonics) |
| True or False: Subduction zone (one plate going under the other) occurs at a divergent boundary? | false- the plates are moving away from each other and cannot subduct. |
| True or False: A subduction zone occurs at a convergent boundary. | True- the plate have to come together to have one plate going under the other. |
| What boundary will you find faults? | Transform (like the San Andreas Fault in California where earthquakes occur) |
| True or False: a flood and a mudslide happens because of plate movement. | false- they do not occur because of plate movement (plate boundary) |
| True or False: A Ridge forms at a divergent plate boundary. | True- the mid-atlantic ridge is a good example. The mid-atlantic ridge is found at the bottom of the Atlantic Ocean where plates are moving apart. Magma comes up, turns into lava and cools/hardens to form igneous rock. This forms a huge mountains range. |
| True or False: Mountains and Volcanoes form at divergent boundaries. | True- plates spread apart and magma can come up to form rock. |
| Make a convergent boundary- What all can happen? | Mountains, Trenches and Volcanoes |
| New crust is created at a ______ boundary. | Divergent- lava is cooling and hardening to form new igneous rock! |
| Ocean trench is found at a _______ boundary. (Make it with your hands.) | Convergent |
| True or False: At subduction zone you can find a trench. (use your hands to figure it out like in class) | True- a trench is found where plates come together, at a convergent boundary, just like mountains and volcanoes. |
| Pangaea was one large continent. | True |
| What phase of matter is the mantle? | Plasticity |
| If an earthquake occurs at the bottom of the ocean floor what could form? | A Tsunami |
| The Himalayan mountains were formed when A. an oceanic plate and a continental plate collided B. two oceanic plates collided C. two continental plates collided | C. two continental plates collided. (the Indian Plate is colliding with the Eurasian Plate) |
| True or False: burning less fossils fuels would improve air quality. | True- less pollution going into the air. |
| True or False: The water cycle is powered by the sun. | True |
| True or False: The Hawaiian Islands were formed by tectonic plates. | False: they were formed by a hot spot. |
| A mid-ocean ridge occurs at _____ boundary. | Divergent Boundary |
| What kind of rock forms at a divergent boundary? | Igneous Rock |
| True of False: The Grand Canyon formed because of continental drift or plate tectonics. | False: It formed because of weathering and erosion. |
| At a fault you will find an ________. | Earthquake |
Created by:
scharanza
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