what is when pieces of rock are pressed and cemented together.
How are sedimentary rocks formed?
100
What is according to the arrangement of the grains that make up the rock.
How do geologists classify metamorphic rocks?
100
what is limestone deposits that began as coral reefs provide evidence of how plate motions have changed earths surface.these deposits also provide evidence of past environments.
What evidence do limestone deposits from coral reefs provide about Earth's history?
200
what is origin,texture,and minerqal composition.
how do you classify an igneous rock?
200
what is the size and shape of its mineral crystals.
How is an igneous rocks texture classified?
200
what is for building materials and tools.
What are some uses of a sedimentary rock?
200
what is a term used to describe metamorphic rocks that have grains arranged in parallel layers or bands.
What does foliated mean?
200
what is when coral animals die, their skeletons remain.more corals build on top of them, gradually forming a coral reef.
How does a coral reef form?
300
what is its grains,and texture
How do you classify a sedimentary rock?
300
what is obsidian and granite.
What are two types of igneous rocks?
300
what are clastic,organic,and chemical rocks.
What are three major types of sedimentary rocks?
300
what is for building and sculpture.
What are some uses of metamorphic rocks?
300
what are substances that algae provide.
How do coral animals live?
400
what is the arrangement of the grains that make up the rock.
How do you classify a metamorphic rock?
400
what is magma or lava.
How are obsidian and granite rocks formed?
400
what is shale,conglomerate,coal,and limestone.
What are some types of clastic,and organic rocks?
400
what is meta meaning "change", and morphosis meaning "form".
What does metamorphic mean?
400
what are clams,sponges,sea urchins,starfish,marine worms,and fish.
What animals do the coral reef provide?
500
what is origin.
How do you classify intrusive and extrusive rocks?
500
what is cleaning and polishing.
What are some uses of igneous rocks?
500
what is conglomerate.
What clastic rock forms when rock fragments with rounded edges makes up?
500
what is marble and slate.
What are two of the most useful metamorphic rocks?