What was the young earth like?

Why was the early Earth so hot?

• Due to the presence of water

• Because of radioactive material, accretion, and pressure

• It was closer to the sun

• Because of the high levels of oxygen

What would happen to you if you walked on the early Earth?

• You would be able to breathe easily

• You would find it cold and icy

• You would be walking on molten lava and unable to breathe

• You would enjoy the scenic views

What is the core of the Earth primarily made of?

• Granite and basalt

• Nickel and iron

• Water and ice

• Lava and magma

What gave the Earth its magnetic field?

• The metallic core

• The presence of water

• The rotation of the Earth

• The atmosphere

What is the theory that explains the movement of Earth's continents?

• The theory of relativity

• The theory of gravity

• The theory of evolution

• The theory of plate tectonics

What did Alfred Wegener struggle to explain?

• How the Earth's magnetic field works

• How the Earth formed

• How the continents moved

• How mountains were formed

What technology helped to map the ocean floor and discover chains of volcanoes?

• Sonar

• Microscopes

• Satellites

• Telescopes

What happens when oceanic crust collides with continental crust?

• The continental crust dives beneath the oceanic crust

• The oceanic crust dives beneath the continental crust

• Nothing happens

• They merge smoothly

How were the Himalayas formed?

• When India crashed into the mainland of Asia

• By the melting of glaciers

• By volcanic activity

• By meteorite impacts

What causes earthquakes along the San Andreas fault?

• The slippage of crustal plates

• The impact of asteroids

• The movement of ocean currents

• Volcanic eruptions