Quiz on Earth's Layers

What is the outermost layer of the Earth?

• Mantle

• Core

• Crust

• Lithosphere

What provided the first piece of evidence that Earth is made up of layers?

• Gravity

• Seismic waves

• Magnetic fields

• Soil samples

What is radiation in the context of energy transfer?

• The movement of energy in the form of particles through a solid medium

• The transfer of energy through space

• The process of energy absorption by chemicals

• The production of energy by the sun

What causes molten rock to rise in Earth's mantle?

• Gravity

• Convection currents

• Magnetic fields

• Solar radiation

Who hypothesized that all the continents were once joined in a single landmass and have since slowly drifted apart?

• Harry Hess

• Alfred Wegener

• Charles Darwin

• Isaac Newton

What was the name of the supercontinent that existed 300 million years ago?

• Gondwana

• Laurasia

• Pangaea

• Eurasia

What is the longest chain of underwater mountains?

• The Alps

• The Andes

• The Himalayas

• The mid-ocean ridges

What process continually adds new material to the ocean floor?

• Sea-floor spreading

• Ocean-floor shrinking

• Sea-floor subduction

• Ocean-floor evaporation

What type of plate boundaries cause plates to move apart creating rift valleys and mid-ocean ridges?

• Convergent boundaries

• Divergent boundaries

• Transform boundaries

• Subduction boundaries

What geological phenomenon results from transform boundaries sliding past each other?

• Formation of mountains

• Volcanic eruptions

• Earthquakes

• Tsunamis