Plate Tectonics

What is a mid-ocean ridge?

• A type of underwater volcano that erupts lava

• An underwater mountain range formed by divergent tectonic plates, where new oceanic crust is created.

• A deep-sea trench formed by converging tectonic plates

• A large underwater plateau formed by sediment deposition.

What causes earthquakes?

• The movement of tectonic plates causing a sudden release of energy in the Earth's crust.

• Volcanic eruptions releasing magma from beneath the Earth's surface.

• Meteorite impacts creating shockwaves in the atmosphere.

• Human activities such as mining and drilling causing ground vibrations.

What is a tsunami?

• A series of ocean waves caused by large underwater disturbances, such as earthquakes or volcanic eruptions.

• A type of tidal wave caused by the gravitational pull of the moon.

• A storm surge that occurs during hurricanes and typhoons.

• A large wave created by the wind in shallow waters.

What is the Ring of Fire?

• A major area in the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur due to tectonic plate boundaries.

• A famous tourist destination in the Caribbean known for its beaches.

• A geological formation in the Himalayas that is known for its high peaks.

• A region in the Atlantic Ocean known for its calm waters.

What is the law of superposition?

• A geological principle stating that in undisturbed rock layers, the oldest layers are at the bottom and the youngest are at the top.

• A rule that states all geological formations are of equal age.

• A theory that suggests sedimentary rocks are formed in layers of equal thickness.

• A concept that explains the movement of tectonic plates over time.

What is the difference between oceanic and continental crust?

• Oceanic crust is thicker and less dense, primarily composed of granite.

• Continental crust is thinner and denser, primarily composed of basalt.

• Oceanic crust is thinner and denser, primarily composed of basalt.

• Continental crust is primarily composed of sandstone.

What is subduction?

• The process by which one tectonic plate moves under another and sinks into the mantle, often causing volcanic activity.

• The movement of tectonic plates away from each other, leading to the formation of new crust.

• The lateral movement of tectonic plates sliding past one another, causing earthquakes.

• The process of tectonic plates colliding and forming mountain ranges.

What is Plate Tectonics?

• A theory that explains the structure and movement of the Earth's lithosphere, which is divided into tectonic plates that float on the semi-fluid asthenosphere.

• A method of measuring the depth of the ocean floor.

• A process that describes the formation of mountains through erosion.

• A scientific approach to studying the weather patterns on Earth.

What is a fault?

• A type of rock formation that is resistant to erosion.

• A fracture or zone of fractures between two blocks of rock, which can cause earthquakes when stress is released.

• A geological feature that only occurs underwater.

• A mineral deposit that forms in volcanic regions.

What is a transform boundary?

• A type of tectonic boundary where two plates collide and create mountains.

• A type of tectonic boundary where two plates slide past each other horizontally, often causing earthquakes.

• A type of tectonic boundary where two plates move apart and create new crust.

• A type of tectonic boundary that is stationary and does not cause any geological activity.