Exploring Our Earth

What is the outer layer of the Earth called?

• Crust

• Lithosphere

• Mantle

• Core

Which layer of the Earth is liquid?

• Outer core

• Crust

• Inner core

• Mantle

What is the name of the largest ocean on Earth?

• Pacific Ocean

• Indian Ocean

• Atlantic Ocean

• Arctic Ocean

What do we call the movement of tectonic plates?

• Geological uplift

• Plate tectonics

• Seafloor spreading

• Continental drift

Which gas is most abundant in the Earth's atmosphere?

• Carbon Dioxide

• Nitrogen

• Argon

• Oxygen

What is the term for a large landmass surrounded by water?

• continent

• island

• archipelago

• peninsula

What is the process by which rocks are broken down called?

• Metamorphism

• Weathering

• Sedimentation

• Erosion

Which planet is known as the 'Blue Planet'?

• Neptune

• Venus

• Earth

• Mars

What is the main source of energy for the Earth?

• Ocean currents

• Volcanic activity

• The Sun

• The Moon

What do we call the natural satellite that orbits the Earth?

• Star

• Planet

• Moon

• Asteroid