Full Name

Which planet is the largest in the solar system?

• Mercury
• Venus
• Earth
• Jupiter
• Saturn

The solid rock portion of the earth's surface is called the _____________?

• core
• mantle
• lithosphere
• megasphere

Which layer of the Earth is the thinnest?

• Crust
• Mantle
• Inner Core
• Outer Core

What is the theory that explains how the continents have moved over time?

• Plate tectonics
• Continental drift
• Convection currents
• The greenhouse effect

Which of the following is not a major layer of the atmosphere?

• Exosphere
• Stratosphere
• Mesosphere
• Biosphere

The layer called _____________ contains the oxygen that we breathe.

• Crust
• atmosphere
• biosphere
• geosphere

The _____________ is made up of the water elements on the earth.

• biosphere
• hydrosphere
• ionosphere
• atmosphere

A soft layer of molten rock that floats on top of the core is known as...

• crust
• magma
• mantle
• core

Landmasses above water on the earth are called...

• tectonic plates
• mountains
• continents
• land masses