7th Unit 3 Review

Front

What forms at a divergent boundary between two oceanic plates?

Back

Mid-ocean ridge is formed at a divergent boundary between two oceanic plates.

Front

A trench forms at a _________ boundary.

Back

A trench forms at a convergent boundary.

Front

What is the correct order (starting from the surface) of Earth's layers?

Back

The correct order is: crust, mantle, outer core, inner core.

Front

What causes tectonic plates to move along the Earth's surface?

Back

Tectonic plates move due to convection in the mantle.

Front

What type of boundary occurs when two plates move toward each other?

Back

A convergent boundary occurs when two plates move toward each other.

Front

Define a divergent boundary.

Back

A divergent boundary is where two tectonic plates move away from each other.

Front

What geological feature is commonly associated with convergent boundaries?

Back

Trenches and mountain ranges are commonly associated with convergent boundaries.

Front

What is the mantle?

Back

The mantle is the thick layer of rock between the Earth's crust and outer core.

Front

What is the outer core?

Back

The outer core is the liquid layer of the Earth's core, composed mainly of iron and nickel.

Front

What is the inner core?

Back

The inner core is the solid, innermost layer of the Earth, composed primarily of iron.