These giant pieces of rock help move and shape the Earth's surface.
What are tectonic plates?
The deepest part of the ocean is this trench, located to the south of Japan.
What is the Mariana Trench?
This is the tallest mountain in the world, measuring from the sea floor to the highest point.
What is Mount Everest?
This continuous process allows rocks to change over time.
What is the rock cycle?
The San Andreas fault line is located in this state, making it a common place for earthquakes to occur.
What is California?
This is the top layer of Earth's surface, which contains all of it's above-ground land.
What is the crust?
Trenches are formed when one of these slides under another.
What is a tectonic plate?
When magma arrives at the Earth's surface, it is called this instead.
What is lava?
If a rock wants to move from one place to another, it probably uses this process.
What is erosion?
Earthquakes often occur at places called this, which is another word for a crack in Earth's crust.
What are faults?
This man helped create the continental drift theory.
Who is Wegener?
These vents are caused by magma under the crust heating up the water surrounding it.
What are hydrothermal vents?
This national park in Wyoming and Montana hides a supervolcano, which also explains its tendency to have geysers.
What is Yellowstone?
Rocks are made up of tiny pieces called this.
What are sediments?
A Japanese word, this describes when an earthquake under an ocean causes a massive wave to head towards land.
What is a tsunami?
These two continents have sections where they fit together, like a jigsaw puzzle.
What are Africa and South America?
This is another name for an underwater volcano.
What is a seamount?
This type of volcano is not at risk of erupting anytime soon.
What is dormant/extinct?
This is the most common type of rock, formed from cooled magma.
What is igneous rock?
This point in Earth's surface is directly below the beginning of an earthquake's power.
What is an epicenter?
These two pieces make up the center of the Earth, and are extremely hot.
What are the inner and outer cores?
This is one of the largest mountain ridges underwater, responsible for pushing continents across the Atlantic Ocean apart.
What is the Mid-Atlantic Ridge?
When magma causes the rock above it to push up, it creates this type of mountain that doesn't have many mountain neighbors.
What is a dome mountain?
This process beats down rocks over time, turning it into tiny pieces that can then form sedimentary rocks.
What is weathering?
This scale measures the aftershock, or intensity, of an earthquake.
What is the Richter scale?