Science Earth's Structure

What do we call the center of the Earth?

• Mantle
• Crust
• Apple
• Core

What layer is between the inner core and the mantle?

• asthenosphere
• crust
• outer core
• lithosphere

Which is the coolest part of the planet?

• inner core
• outer core
• mantle
• crust

Which two metals are thought to be found in the core?

• iron and steel
• iron and nickel
• gold and silver
• iron and copper

Which of these layers is the largest?

• lithosphere
• asthenosphere
• outer core
• mantle

How do geologists learn about Earth's interior?

• direct evidence from rock samples and indirect evidence from seismic waves
• direct evidence from seismic waves and indirect waves from rock samples
• direct evidence from rock waves, and indirect evidence from seismic samples
• direct evidence from wave samples and indirect evidence from seismic rocks

The oceanic crust is most like ________ in composition

• granite
• basalt
• sand
• iron

pressure and temperature ________ as you move deeper below Earth's surface

• increase
• decrease
• stay the same

What is the order of the main layers of Earth?

• core, mantle, crust
• crust, mantle, core
• mantel, core, crust

What piece of evidence helps scientist understand Earth's layers?

• Seismic waves
• Volcanic eruptions/rocks
• Magnetic field
• all of these answers are correct