Rock Cycle
Earth is divided into plates that moves over the mantle.
What is a tectonic plate?
Rocks made of other rocks.
What are sedimentary rocks?
Rocks that have been changed under heat and pressure.
What are metamorphic rocks?
Rocks that come out of volcanoes.
What are igneous rocks?
The break down of rocks into smaller rocks.
What is weathering?
Two plate boundaries that slam into each other.
What is a convergent boundary?
The only type of rock to contain fossils.
What is sedimentary rock?
True or False: The Earth's crust is in constant motion.
What is true?
Melted rock above the ground.
What is lava?
The breaking of rocks by wind, water, or gravity..
What is erosion?
Two plate boundaries that pull away from each other.
What is a divergent boundary?
True or False: Sedimentary rocks are moved by erosion.
What is true?
Melted rock below the ground.
What is magma?
What is a transform boundary?
An area in the Pacific ocean that is an active region of volcanoes and earthquakes.
What is the ring of fire?
Under the ocean, the plates move away from each other. The youngest material is in the middle the oldest is on the outside.
What is sea floor spreading?