Layers of the Earth

Front

Earth’s crust can only be ____________ or _______________.

Back

Oceanic & Continental

Front

What are the two main metals that make up the outer and inner core?

Back

Iron & Nickel

Front

Which layer of earth is all liquid?

Back

Outer Core

Front

Which layer of the Earth is solid and most dense?

Back

Inner Core

Front

What is the best way scientists know about the structure of the earth?

Back

Seismic Waves

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

What is the layer beneath the crust called?

Back

Mantle

Front

What is the state of matter of the inner core?

Back

Solid

Front

What is the primary component of the Earth's mantle?

Back

Silicate minerals

Front

What is the temperature range of the outer core?

Back

Approximately 4,000 to 6,000 degrees Celsius