Name the three main layers of the earth.
The crust, the mantle and the core.
Name the three spheres of the earth.
The atmosphere, the hydrosphere and the geosphere.
An earthquake is measured with what?
Seismograph.
What is the crust made of?
Solid rock.
This is a sudden violent shaking of the ground. What natural disaster is it?
Earthquake.
True or false: natural disasters do not cause severe damage to the earth and to the population.
False.
True or false: wildfires are mostly caused by human activity.
True.
True or false: the outer core is solid and extremely cold.
False. It's the opposite!
Floods happen when a heavy ____ causes a body of water to overflow.
Rain.
When do droughts happen?
When it rains very little.
Name two hazards of the earth.
Any from: hurricane, flood, droughts and wildfires.
What are molten rocks called?
Magmas.
What type of rocks are in the mantle?
Molten rocks.
This part of the earth sits beneath continents and oceans. Which is it?
The crust.
When magma flows onto the Earth's surface, it is called what?
Lava.