Metamorphic rock forms as a result of __ and __ deep inside Earth.
What are heat and pressure?
Formed from lava or magma.
What is igneous rock?
sand, gravel, mud, clay...
What are sediments?
What is sandstone?
breaking down of rocks into small pieces
What is weathering?
Formed by the melting of rock.
What is magma?
Formed by the compaction & cementation of sediments
What are sedimentary rocks?
Molten rock from volcanic activity
What is lava?
I form from clay and I sometimes contain the remains or imprints of things that once lived in the past.
What is shale?
sediments settle out and pile up into layers
What is deposition?
Igneous rocks form as a result of
What is solidification / cooling and hardening?
Formed when rocks are exposed to heat and pressure?
What are metamorphic rocks?
Molten rock in the Earth's mantle
What is magma?
I used to be shale but through heat and pressure, I became flat and more dense. I am used to make chalkboards and roofs.
What is slate?
sediments move from one place to another
What is erosion?
Weathering results in the formation of __.
Form from the fast cooling of lava on Earth's surface
What are extrusive igneous rocks?
Imprints or remains of organisms that lived in the past.
What is a fossil?
I cooled so fast that gas could not escape. As a result, I am full of holes and I can float!
What is pumice?
the weight from many layers of sediment presses them together
What is compaction?
Sedimentary rocks form when sediments are __.
What is compacted / cemented together?
Form when magma cools and solidifies beneath the Earth's surface.
What are intrusive igneous rocks?
Glassy, black extrusive igneous rock
What is obsidian?
Heat and pressure turned me from limestone into this rock used in making statues, buildings, table tops, ...
What is marble?
What is cementation?