The main cause of erosion on earth.
What is water?
What we walk on everyday.
What is earth's crust?
There are two main types of tectonic plates.
What is a oceanic and continental plate?
A rock found deep in the earth that is so hot, it turns into a bright orange liquid.
What is magma?
A rock that is yellow, chalky, and smells like matches when scratched.
What is sulfur?
Giant rivers of ice that slowly carve out valleys and shape mountains.
What is a glacier?
Made up of liquid metal and rock.
What is the earth's outer core?
Where tectonic plates touch each other.
What is a fault?
A volcano that hasn't erupted in the last 10,000 years.
What is an extinct volcano?
Type of rock that is powdery, soft and white.
What is chalk?
A force that pulls rocks and particals down the side of a mountain.
What is gravity?
The third layer on the earth.
What is lower mantel?
Plates that move and boundaries bump each other.
What is an earthquake?
Type of volcano that has recently erupted.
What is an active volcano?
A rock that forms when hot molten magma cools and crystallizes deep in the earth or during a volcanic eruption.
What is igneous rock?
Weathered or eroded material is taken away naturally from one location to another and dropped off.
What is deposition?
The deepest layer on earth.
What is inner core?
A map that helped prove the theory of plate tectonics.
What is the Tharp-Heezen?
A very hot liquid rock that flows out of a volcano.
What is lava?
This rock is formed when existing rocks are weathered, transported, deposited and re-lithified.
What is sedimentary rock?
A rock that is weathered and broken down into smaller pieces.
What is sedimentation?
The earths crust is divided into two types.
What is continental and oceanic crust?
Tectonic plates that meet and cause the most powerful earthquakes in the world and tsunami's.
What is a subduction?
When magma cools, different crystals form at different temperatures.
What is crystallization?
A rock that undergoes a change to form a new rock because of heat and pressure.
What is metamorphic rock?