Igneous rocks
True or false? Basalt is the most common extrusive Igneous rock.
What is true.
What makes up sandstone
What is sand
What does Gneiss come from?
What is granite?
Define "rock cycle"
A series of processes on Earth surface and in the crust and mantle that slowly change rock for one kind to another.
What rock is used in making statues
What is marble
When lava erupts onto the Earth's surface and cools, it is a(n) _____________ rock.
What is Extrusive Igneous
Small solid pieces of material that come from rocks or living things.
What are sediments?
What 2 things can change a metamorphic rock?
What is heat and pressure
Define silica
A mixture made from oxygen and silicon.
How many rocks make up the Earth's surface
What is 20
What type of rock is Basalt?
What is Extrusive Igneous
What sedimentary rock comes from Coral reefs?
What is limestone?
How do geologists classify metamorphic rocks?
What is foliated and nonfoliated
Define texture
The look and feel of a rocks surface
Mixtures of minerals and other materials are __________.
What are rocks
When magma or lava cools
How does an Igneous rock form?
When particles of other rocks or the remains of plants and animals are pressed and cemented together.
How is a sedimentary rock formed?
How is a metamorphic rock formed?
When an existing Ock is changes by heat, pressure, or chemical reactions.
Define foliated
A type of metamorphic rock where the grains are arranged in parallel bands and layers which may split apart on those bands.
What rock I used to cleaning and polishing?
What is Pumice
The size and shape of a minerals crystals
What determines the texture of an Igneous rock?
What is the name and process on which sediments are "glued" together?
What is cementation?
What does slate come from?
What is shale
Define nonfoliated
A type of metamorphic rock where the grains are arranged randomly, do not split into layers.
What are the 3 different types of rocks?
Igneous, sedimentary, and metamorphic.