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
Leaks in the Earth’s crust (Earth’s “Pimples”) are called
Volcanoes
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.
Crystal Structure
When heat or pressure causes one rock to change into a new type of rock, we call these rocks _____.
Metamorphic
Which statement is the best example of the mineral property of cleavage?
The mineral broke and had flat edges
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 jagged edges.
fracture
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