Igneous Rocks
These are little pieces of rocks, pebbles, mineral grains, and shell fragments that eventually form rocks.
What are sediments?
The way light reflects off of a mineral.
What is luster?
Name the three types of rock groups.
What is Sedimentary, Igneous and Metamorphic?
The process of rocks changing from one kind of rock to another kind of rock over long periods of time.
What is the rock cycle?
These are the steps for the formation of sedimentary rocks.
What is:
weathering and erosion
transportation
deposition
cementation and compression?
The scale that is used to measure the hardness of minerals
What is Moh's Hardness Scale
Most sedimentary rocks are formed in or near ____________.
What is water?
What type of rock is mainly found around South Carolina?
What is sedimentary?
These 2 things cause metamorphic rocks to form.
What are heat and pressure?
Another way to identify minerals; it leaves the color of the powder behind when rubbed against a rough white tile.
What is streak?
A naturally occurring, inorganic solid, that has a definite chemical composition and crystal structure.
What is a mineral?
Where are two places that igneous rocks can be found?
What is volcanoes and rift valleys?
This type of igneous rock is black with a glassy texture. We looked at it in class.
What is obsidian?
Metamorphic rock tends to have bands or layers that are ____________________?
What is twisted/distorted?
What is the most common mineral forming group?
What is silicates?
A hard substance composed of one or more minerals.
What is a rock?
What is the hardest mineral and what element is it made from?
What is a diamond and carbon?
This determines the size of crystals that form in igneous rocks.
What is the cooling rate of the magma or lava?
The type of rock that contains most fossils?
What is sedimentary?
The two most common elements found in Earths crust, used to make minerals are ____________ and ______________.
What are silicon and oxygen?
Do extrusive igneous rocks have large or small crystals?
What is small?
The 4 ways to test the properties of a mineral.
What is luster, streak, hardness, color