Igneous Rock
what is molten rock found below the Earth's surface called?
Magma
Tiny pieces of rock, sand, shells, etc. are called what?
Sediments
Metamorphic rocks can be made from ___________, ___________, or _____________ rocks
sedimentary, metamorphic, or igneous.
When sediments go under compacting and cementing processes they become what?
sedimentary rocks.
What is molten rock found above the earth's surface called?
Lava
What are the final 2 processes that turn sediments into sedimentary rocks called?
Compaction and Cementation.
The layers of a metamorphic rock look different than the lines of a sedimentary rock because?
Metamorphic rocks have wavy layers due to heat.
(random) Fossils are found in which rock?
Sedimentary
igneous rocks are formed when lava and magma cool. Give an example of an igneous rock.
Obsidian and Granite
What is the difference between weathering, erosion, and deposition?
weathering breaks rocks down, erosion carries them away, and deposition drops the sediment off.
How can you get a metamorphic rock from a sedimentary rock?
Heat and pressure.
what are the processes that turn metamorphic rocks into sediments?
Weathering.
A sedimentary rock can change into an igneous rock by
Melting and cooling
Evidence of organisms that lived on Earth long ago would most likely be found in ________ rocks.
Sedimentary
Where does a metamorphic rock form?
under the surface of the Earth.
_______ and __________ turn sedimentary rocks into metamorphic rocks.
Heat and pressure.
Where are igneous rocks found?
Near volcanoes.
Where are sedimentary rocks usually found?
Near bodies of water.
What is one main type of metamorphic rock? (Hint: was in the Rocks song)
Marble
When metamorphic and igneous rocks go under melting they turn into?
Magma