Minerals
Rocks are made up of ____________________ and organic matter.
minerals
What are the three times of sedimentary rocks?
Clastic, Chemical and Organic.
Where is the best place to find a metamorphic rock?
Deep Underground
Igneous rocks form from _____________ or _______________.
Lava or Magma.
When rocks are continually changing, and any type of rock may be transformed into another type by appropriate process this is called the ______ ______.
The Rock Cycle.
You use a minerals ____________ in order to identify them.
Properties
Where are sedimentary rocks mostly found?
On the surface of the Earth.
What two things do you need in order to form a metamorphic rock?
Heat and Pressure
Igneous rocks that cool slowly have a ________________ grained texture.
Igneous rocks that cool quickly have a ________________ grained texture.
Coarse and Fine
True or False.
Any rock (igneous, sedimentary, or metamorphic) can change to any kind of rock (igneous, sedimentary, or metamorphic).
True.
The splitting of a mineral along smooth, flat surfaces is called _____________________________________.
Cleavage
True or False: Without erosion, there would be no sedimentary rocks?
True
A metamorphic rock with layers or bands is ___________.
Foliated.
Next to a volcano
How would you get from a metamorphic rock to igneous rocks?
melting and cooling
Minerals are naturally occurring, inorganic solids with a crystal structure and a _______________ ___________________.
chemical composition
Which type of rock is the only rock that you can have organic material, such as plants or fossils?
Sedimentary or Organic Sedimentary Rock
A metamorphic rock without layers or bands is ___________.
Igneous rocks are made when rock ___________ then _______________.
Melts then cools.
Name what types of rocks are made.
1. Melting and cooling occurred.
2. Then your rock went under heat and pressure
1. Igneous
2. Metamorphic
Gypsum is a 2 on the Moh’s hardness scale. Corundum is a 9 on the Moh’s hardness scale. Apatite is a 5 on the Moh’s hardness scale.
Which is the hardest?
Corundum
What are the lines or layers in a sedimentary rock called?
Strata
Metamorphic rocks are different than igneous rocks because metamorphic rocks never ____________________.
Melt
Ignis in Latin means _____________________.
Fire.
Scientists classify rocks by _____________________________.
How they are made.