Igneous
Sedimentary
Metamorphic
Rocks from Reefs
The Rock Cycle
100
What igneous rock is formed from lava that erupted onto the Earth's surface?
What is an extrusive rock?
100
What is sediment?
What are small, solid peices of material that come from rocks or living things called?
100
What does "foliated" mean?
What is a rock that has grains arranged in parallel layers or bands called?
100
What is a tiny relative to the jellyfish that is smaller than your fingernail and looks like a tiny sack with tentacles?
What is a coral animal?
100
What is the rock cycle?
What is gradual and continuous change of rock in the earth's crust to igneous, sedimentary and metamorphic rocks?
200
What are tools and building materials?
What are some uses that we have used igneous rocks for?
200
What are building materials and tools?
What are the different purposes that we as humans have used sedimentary rocks for?
200
What three things change most rocks into metamorphic rocks?
What are heat, pressure and chemical reactions?
200
What are warm tropical areas?
What conditions of light and heat do coral animals reqiure?
200
What is a layer of the Earth that extends from the bottom of the crust the the earth's core?
What is the mantle?
300
What are orgin, texture, and mineral composition?
What are igneous rocks classified according to?
300
What are clastic, organic, and chemical rocks?
What are the 3 major groups of sedimentary rocks?
300
How are metamorphic rocks classified?
What are texture and composition?
300
What is limestone?
What type of rock is made up of ancient coral?
300
Metamorphic rock turns into igneous rock through what process?
What is melting to magma then cooling?
400
What is granite?
What igneous rock is most often used as a building material?
400
What are erosion, depostion, compaction, and cementation?
What is the order of the process in which sedimentary rocks are formed?
400
What are two common, FOLIATED metamorphic rocks?
What are slate and gneiss rocks?
400
What happens if the coral reef rises with the water?
If sea level rises above a coral reef, what may happen to the reef?
400
In the rock cycle an igneous rock can turn into sediment, metamorphic rock and what other thing?
What is magma?
500
What are pumice and obsidian?
What other types of igneous rocks also have important uses?
500
What do swamp plants that formed millions of years ago slowly change to what?
How does coal form?
500
What are two common, UNFOLIATED metamorphic rocks?
What are marble and quartzite?
500
What is calcite?
What minerals are the skelatons of a coral reef made of?
500
In the rock cycle sediment can turn into sedimentary rock through what process?
What is compaction and cementation?
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