Earth Layers
The Earth's inner core is made up mostly of....
iron and nickel
How is an igneous rock formed?
Cooling lava or magma
When you scrape a mineral across a white or black tile you are testing for what?
Streak
When pieces of older rocks, plants, and other loose material gets pressed or cemented together, a _____ rock forms.
Sedimentary
Weathering breaks it….Erosion takes it…..Deposition
Drops It
The only layer of the Earth that is completely liquid metal.
Outer Core
How is a sedimentary rock formed?
Different small particles are pressed together over time
How a mineral reflects light.
Luster
When molten (melted) rock cools and becomes a solid, a _____ rock forms.
Igneous
Thinking about sedimentary rock, the oldest layers are found
at the bottom
This layer of the mantle is made up of the outer part of the mantle and the crust.
Lithosphere
How is metamorphic rock formed?
Heat and Pressure deep in the Earth
The atoms within a mineral are arranged in an orderly, repeating three-dimensional pattern.
Crystalline Structure
When heat or pressure causes one rock to change into a new type of rock, we call these rocks _____.
Metamorphic
This layer of the Earth is made up of Continental and Oceanic.
Crust
The outer most layer of the Earth
Crust
Igneous Rock that is still inside the Earth is called?
Intrusive Igneous Rock
My teacher mentioned that in order for a substance to be a mineral, it has to be _____ or nonliving.
Inorganic
Fossils are more likely to form in which type of rock?
Sedimentary rocks
This characteristic of a mineral shows the molecules are closely packed together.
Solid
What layer of the Earth do we see convection occuring?
Mantle
Explain how minerals and rocks related?
Rocks form from minerals
The mineral broke and had flat edges.
cleavage
This type of igneous rock can be found on the crust.
Extrusive
A measure of a mineral's resistance to scratching. This is measured by scratching it against another substance of known hardness on the Mohs Hardness Scale.
Hardness