Igneous
A hot molten rock that is underneath the Earth's surface.
magma
This is where most Sedimentary rocks are formed.
in water (oceans, lakes, rivers)
Metamorphic means?
change
Sandstone
Sedimentary
Igneous rocks are formed when other rocks are changed through heat and pressure.
False
Igneous rock is formed by.
molten magma or laval cools and becomes hard
Particles of rock, sand, soil, pebbles, and once living things.
sediment
How are metamorphic rocks formed?
through heat and pressure.
Granite
Igneous
Lava is found underneath the Earth's surface.
False
3 types of intrusive igneous rock and their defining characteristic.
granitoid= Coarse texture, Felsitic= Fine texture, porphyritic= areas of coarse and fine texture
2 main methods of which sedimentary rock forms
compaction and cementation
Where are metamorphic rocks formed?
underneath the Earth's surface
Gneiss
Metamorphic
Fossils are often found in Sedimentary rocks.
True
term meaning beneath Earth's surface. term mean at or above Earth's surface.
intrusive and extrusive
Name 2 examples of Sedimentary rock
Limestone, sandstone, shale, sandstone, coal, chalk, rock salt, etc...
Yes or No... Metamorphic rocks are the hardest type of rock?
yes
Marble
Metamorphic
Metamorphic rocks from in water and usually have layers.
False
Give one defining characteristic for each of the 3 types of Igneous Rock. Basaltic= Granitic= Andesitic=
Basaltic= dense and dark colored
Granitic= lower density and light colored Andesitic=composition in between basaltic and granitic
Sediment is moved by...
wind and water
What types of rocks change into metamorphic rocks?
igneous and sedimentary
Obsidian
igneous
Igneous rocks form when magma or lava cools and hardens.
True