Earth Layers Flashcard

Front

What is the most common rock type found in the continental crust?

Back

Granite

Front

What layer of the Earth is plastic-like and allows the crust to flow over it?

Back

Asthenosphere

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

What causes convection currents in the Earth's mantle?

Back

Differences in temperature and density.

Front

What is the innermost layer of the Earth?

Back

Inner Core

Front

What is the layer between the crust and the outer core called?

Back

Mantle

Front

What are the two main types of crust?

Back

Continental crust and oceanic crust.

Front

What is the primary composition of the Earth's inner core?

Back

Iron and nickel.

Front

What is the significance of the asthenosphere in plate tectonics?

Back

It allows the tectonic plates to move over it.

Tags

NGSS.MS-ESS2-3

Front

What is the temperature range of the Earth's inner core?

Back

Approximately 4,000 to 5,000 degrees Celsius.