Earth
Name the 3 layers of the Earth.
Crust, Mantle, Core
What are the four main Spheres of the Earth?
Biosphere, Lithosphere, hydrosphere and atmosphere.
What are 3 different forms of precipitation?
Rain, Snow, Hail
What is a tectonic plate?
One of the puzzle pieces of rock under the crust that moves and floats on top of the melted mantle.
What is the Ring of Fire?
It is the rim of the Pacific tectonic plate where 75% of Earths volcanoes are located.
What is the earth's core made of?
Iron and nickel
What percentage is freshwater out of all of the water on Earth?
2.8%
What is the name for the process of water from trees turning into vapor, and rising into the air?
Transpiration
How are mountains formed?
Two tectonic plates crashing into each other, fault line blocks and volcanoes.
What is the difference between magma and lava?
Magma is inside the volcano and lava is outside the volcano.
Which layer accounts for 81% of earth's mass?
Mantle
Name and describe 3 out of the 6 reliefs we have seen.
Plateau, Shield, plain, hill, mountain, valley. (with proper descriptions)
What spheres does the water cycle go through?
Hydrosphere, Lithosphere (on the ground), atmosphere, and biosphere.
Water, wind, gravity and ice.
What are 4 parts of a volcano?
True or False:
The oceanic crust is more dense than the continental crust.
What are the layers of the atmosphere? (in order of closest to the earth to farthest)
Troposphere, stratosphere, mesosphere, thermosphere.
If started in the ocean, what are the next steps of the water cycle?
Ocean - evaporates - condenses to clouds - becomes rain - flows in rivers or turns into runoff to go back to the ocean.
What is the zone called where one tectonic plate dives under another plate and melts back into the mantle.
The Subduction Zone
What is a pyroclastic flow?
A flow of toxic gasses and debris at around 300 C from inside the volcano that flows out like a liquid.