A shaking of the ground caused by movement of the Earth's crust.
Earthquake
True or false (then elaborate)? Earthquakes happen only sometimes.
False. Earthquakes happen every day but most are small and we cannot feel them.
Which layer of the earth is this?
Inner core
Giant waves caused by earthquakes or volcanic eruptions under the sea.
Tsunami
What is the name of molten rock that makes it outside a volcano onto the surface?
Lava
What is the 1st outermost layer of our planet? It's a thin shell that surrounds the entire Earth.
Crust
Huge pieces of rock that move SLOWLY in different ways.
Tectonic Plates
This 2nd layer lies between the crust and the core of our planet.
The Mantle
When lava and gas are released from a volcano—sometimes explosively, it's called an...
Eruption
What layer of the earth is this?
Core
An overflow of water on normally dry ground.
Flood
Which layer of the earth is this?
Outer Core
Magma is molten rock. What does 'molten' mean?
Liquid or liquified