Rocks
An igneous rock is exposed to extreme heat and pressure to form what type of rock?
What is metamorphic
Igneous rock is formed when what cools?
What is magma or lava
Sedimentary rock forms when what collects and hardens into new rock?
What is sediment
These types of metamorphic rocks usually have mineral grains or crystals that are arranged randomly throughout the rock?
What are non-foliated metamorphic rocks
_____ in earth's interior drive the processes that form rocks.
What are convection currents
A rock is a solid mixture of crystals of one or more what?
What are Minerals
Liquid rock found inside the earth is called what?
What is magma
Sediment stacks up in layers that are ______________ together.
What is cemented.
Metamorphic rock is formed by heat and what?
What is pressure.
When sediments are compacted and cemented to form metamorphic rocks
What is lithification.
A sedimentary rock is melted and then cooled, what type of rock will it form?
What is igneous.
Magma that is pushed to the earth's surface is called what?
What is lava
Sedimentary rock often forms at the bottom of _____________ as it is depostited by rivers and streams.
What is lakes or seas.
Metamorphic rock can be formed only where on the Earth? Inside/outside/either
What is inside.
Grains of rock are removed from their source by what?
What is erosion.
The continual process by which new rock forms from old rock material is called what?
What is the rock cycle.
When magma cools slowly is forms __________ crystals.
What are large
Sediment is usually formed by ____________ and erosion.
What is weathering.
Where does the pressure come from that causes metamorphic rock to form?
What is the weight of the rock above it.
Wind helps to break down rocks by what process?
What is weathering.
Crystals grow as melted rock does what?
What is cools.
Lava cools at a faster/slower/the same rate as magma?
What is faster.
These can only be found in sedimentary rocks
What are fossils.
These types of metamorphic rocks usually have crystals that form in bands or streaks
What are foliated metamorphic rocks.
Water, ice, and wind drop newly formed sediments by what process?
What is deposition.