6-8. ESS2.A.1 Plate Tectonics and their Interactions

Front

What are convection currents?

Back

Convection currents are the movement of fluid caused by differences in temperature and density, which can drive the movement of tectonic plates.

Front

What is the relationship between convection currents and tectonic plate movement?

Back

Convection currents in the mantle cause tectonic plates on the Earth's crust to move.

Front

What is a mid-ocean ridge?

Back

A mid-ocean ridge is an underwater mountain range formed by plate tectonics, where new oceanic crust is created by volcanic activity.

Front

Which ocean is expanding due to a mid-ocean ridge?

Back

The Atlantic Ocean is expanding due to the mid-ocean ridge.

Front

What is sea floor spreading?

Back

Sea floor spreading is the process by which new oceanic crust is formed at mid-ocean ridges and older crust moves away from the ridge.

Front

What is a divergent boundary?

Back

A divergent boundary is a tectonic plate boundary where two plates move away from each other, often resulting in the formation of new crust.

Front

What geological feature is created by a divergent boundary?

Back

The Mid Atlantic Ridge is a geological feature created by a divergent boundary.

Front

What happens at a mid-ocean ridge?

Back

At a mid-ocean ridge, molten material rises from the mantle to create new oceanic crust.

Front

What is the role of the mantle in plate tectonics?

Back

The mantle's convection currents drive the movement of tectonic plates on the Earth's surface.

Front

What is the effect of tectonic plate movement on the Earth's surface?

Back

Tectonic plate movement can cause earthquakes, volcanic eruptions, and the formation of mountains.