Marine Science IGCSE Unit 1 Key Words Flashcard

Front

What is the region of the Earth between the crust and core predominantly made up of?

Back

The Mantle, which is made up of magma that moves via convection currents.

Front

What direction do two tectonic plates move in a convergent plate boundary?

Back

Towards each other.

Front

What term describes visitors to an area that bring in money, such as whale watchers?

Back

Tourism.

Front

What is the generally flat ocean floor at a depth of 3000-6000m called?

Back

Abyssal Plain.

Front

What theory, developed in the 1960s, states that the crust is made up of slow-moving plates?

Back

The Theory of Plate Tectonics.

Front

What is the process called when magma moves through the mantle?

Back

Convection currents.

Front

What is the term for the boundary where two tectonic plates move away from each other?

Back

Divergent Plate Boundary.

Front

What is the deepest part of the ocean called?

Back

The Mariana Trench.

Front

What is the term for the geological process that shapes the Earth's surface through the movement of tectonic plates?

Back

Plate Tectonics.

Front

What is the term for the flat, deep ocean floor that is found at the bottom of the ocean?

Back

Abyssal Plain.