Earth's Interior

A compass always points to the

• behind you

• geographic North pole

• Sun

• magnetic North Pole

Scientists are able to make observations and inferences about what is below the crust of Earth by using scientific evidence. Which of these is an example of evidence that scientists use to discover what the layers of Earth’s crust are like?

• digging below the surface

• fossils

• seismic waves

• x-rays

• samples of rocks

Convection currents occur in the mantle and in the

• crust

• inner core

• outer core

Name the two types of crust

• land and sea

• oceanic and land

• land and continental

• oceanic and continental

Which layer is the hottest?

• core

• crust

• mantle

• asthenosphere

Name the main layers of the Earth

• Core, Crust, Surface

• Mantle, Inner Core, Outer Core

• Crust, Mantle, Core

• Crust, Lower Mantle, Upper Mantle

Which layer contains both the upper mantle and the crust?

• asthenosphere

• lithosphere

• atmosphere

• mesosphere

Where is the Earth's crust the thinnest?

• under the high mountains

• at the bottom of the ocean

Scientists think that convection currents flow in Earth's

• inner core

• continents

• mantle

• crust

What happens to density and pressure as we mover from the crust to the inner core?

• density and pressure increases

• density and pressure decreases

• nothing

Tags

NGSS.HS-ESS2-3