Igneous Rocks
This can cool and harden and form igneous rock.
What is magma or lava?
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 layers of the Earth.
What is crust, mantle, outer core, and inner core?
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?
This kind of igneous rock is formed when magma cools beneath the Earth's surface.
What is Intrusive igneous rock?
These are two ways that sediments are formed.
What is weathering and erosion?
Vinegar was dropped on the rocks and minerals to test what.
What is the reaction to acid?
A fossil is ___________.
What is the preserved remains of an organism?
Name two ways people use rocks.
What is buildings, walls, roads, jewelry, decoration, countertops?
This type of igneous rock forms when lava cools on the Earth's surface.
What is Extrusive igneous rock?
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?
What happens if an igneous rock weathers? What rock does it turn into?
What is sedimentary rock?
This is the criteria used to divide rocks into three groups.
What is how they are formed?
For an Igneous rock to become a sedimentary rock, what needs to happen?
What is erosion, formation of sediments, and compaction or cementation?
The measure of how difficult it is for a mineral to be scratched.
What is Hardness
A hard substance composed of one or more minerals.
What is a rock?
The hardest mineral.
What is a diamond?
This is the process by which igneous rocks return to magma.
What is melting?
Give an example of what sedimentary rocks are used for.
What is concrete, buildings, sidewalks, roads, bricks?
You can see this property just by looking at a mineral. Many minerals can be several of these.
What is color?
Describe what will happen after many years to sand and other sediment that has blown or washed to the ocean floor.
What is sediment will build up and form a sandbar or new beach (or compress together in layers and form larger rocks)?
Name 5 properties of minerals that we discussed in class.
What are luster, streak, hardness, color, breakage, and/or density?