The Layers of the Earth

Which of the following statements is NOT true about the continental crust

• it is thicker and less dense than the oceanic crust

• it is up to 100 km (62.1 miles) thick

• it can be found under the earth

• it forms the continents

Oceanic crust is

• thicker and less dense than continental crust

• thinner and less dense than continental crust

• thicker and more dense than continental crust

• thinner and more dense than continental crust

The deepest layer that scientists HAVE drilled into is the:

• outer core

• inner core

• mantle

• crust

Which of the following does not increase as you move towards the inside of the Earth?

• thickness of layers

• pressure

• temperature

• density

What is the heat source for convection currents?

• asthenosphere

• lithosphere

• mantle

• inner core

A lava lamp heats the wax with a powerful bulb. The hot wax floats to the top where it cools and then sinks to the bottom. What is the name of this process?

• conduction

• radiation

• convection

• evaporation

Identify layer  #20.

• mantle
• pizza crust
• inner core
• outer core

The two types of rock that the crust is made out of include:

• Granite and Nickel

• Iron and Nickel

• Granite and Basalt

• Basalt and Iron

"Tectonic Plates" are pieces of the earth's crust that float on top of the

• Mantle

• Outer Core

• Inner Core

Tags

NGSS.MS-ESS2-3

Heat from the core of the earth causes what type of current?

• Electrical Currents

• Current Events

• Convection Currents

• Radiation Currents