Dynamic Crust Review

Front

The image shows the Mid Atlantic Ridge. Which type of boundary occurs at this ridge where the ocean floor is spreading apart?

Back

divergent

Front

The innermost layer of the Earth is thought to be made of solid iron. What is the name of this layer?

Back

inner core

Front

What causes tectonic plates to move? Options: ocean currents, convection currents in the mantle, volcanoes, the Coriolis Effect

Back

convection currents in the mantle

Front

What is the name of the layer of the mantle that is thicker than the lower mantle, not solid rock like the crust, and on which tectonic plates rest?

Back

asthenosphere

Front

What instrument is used to detect the magnitude of earthquakes? Options: barometer, electrograph, seismograph, pictograph

Back

seismograph

Front

The movement of Earth's crust along plate boundaries produces: earthquakes, volcanoes, mountains, All of these options.

Back

All of these options.

Front

What is the main cause of most earthquakes? Options: human activity, hurricanes, changes in temperature in Earth's mantle, pressure deep within the Earth (from rocks crashing) that is being released

Back

pressure deep within the Earth (from rocks crashing) that is being released

Front

When molten rock reaches the Earth's surface, comes out and begins to cool, it is known as

Back

lava

Front

If the focus of an earthquake occurs beneath the sea floor, as the seismic waves travel through the ocean, they create a massive and destructive

Back

tsunami

Front

In the image, which type of boundary is shown? Hint: its located in the state of California.

Back

transform fault