This type of rock is formed by cooling and hardening of lava or magma?
What is igneous?
100
This is scientific study of the movement of Earth's crust.
What is plate tectonics?
100
These volcanic islands are also the 50th state of the United States.
What are the Hawaiian Islands?
100
This is the name of the "supercontinent."
What is Pangea?
100
This type of igneous rock is porous, can be used to scrub dead skin off your feet, and can float.
What is pumice?
200
This type of rock can be formed when any rock is subjected to heat and pressure without being fully melted.
What is metamorphic rock?
200
Tension forces pull plates apart at this type of boundary.
What is a divergent plate boundary?
200
This type of volcano, like Mount Saint Helens and the other mountains of the Cascade Range, are the most dangerous type when they erupt.
What are composite volcanoes?
200
This is where the sea floor is spreading somewhere under the Atlantic Ocean.
What is Mid Atlantic Ridge?
200
This sedimentary rock often contains fragments of seashells from prehistoric ocean dwellers.
What is limestone?
300
This is the process of moving small bits of weathered rock to a new location by wind, water, or gravity.
What is erosion?
300
This type of boundary exudes compressive forces that can result in a subduction zone or folded mountains?
What is a convergent plate boundary?
300
The simplest and most common type of volcano. They can develop as free-standing volcanoes, but can also grow around new vents on the slopes of existing volcanoes.
What is a cinder cone?
300
This is an area where plate material is destroyed and usually results in the formation of a volcanic mountain range.
What is a subduction zone?
300
This igneous rock has gray, black, and white crystals and is used in buildings, monuments, and finely crafted countertops.
What is granite?
400
When small bits of rock are compacted and cemented together, this type of rock is formed.
What is sedimentary rock?
400
Shear forces at this type of boundary can cause faults and earthquakes.
What is a transform plate boundary?
400
This gently sloping volcano is named for its resemblance to a part of a warrior's armor.
What is a shield volcano?
400
These folded mountains, the world's highest, were formed when India collided with Asia.
What are the Himalayas?
400
This metamorphic rock is often used in statues and was once limestone before it was acted upon by heat and pressure.
What is marble?
500
Fossils are found only in this type of rock.
What is sedimentary?
500
This is the name of the layer that the crust floats on.
What is the mantle?
500
Inhabitants of this island country in the Atlantic once saved a fishing town from lava flows by spraying them with ocean water.
What is Iceland?
500
This evidence, found on both the African and South American continents, gives us evidence of Continental Drift.
What is fossil evidence or the fossil record?
500
A famous British rock band or these igneous, metamorphic, or sedimentary rocks which gather no moss when in motion.