Minerals
Scale used to measure the hardness of a mineral .
What is Moh's hardness scale?
Rocks consist of these.
What are minerals?
This type of rock is formed from tremendous heat and pressure within the earth.
What is metamorphic rock?
The three categories all rocks can be put into.
What are igneous, sedimentary, and metamorphic?
Volcanoes around the Pacific Ocean make up this.
What is the Ring of Fire?
The naturally occurring solid substances found in rocks.
What are minerals?
Name of the molten rock found deep below the earth’s crust.
What is magma?
This is the opening in the earth that marks the origin of a volcano.
What is a vent?
A rock that was sediment, then went under pressure, then was melted down and crystallized or cooled inside a volcano is this type of rock.
What is an igneous rock?
This is the powdery mark left by some minerals when they are scraped against a hard porcelain plate.
What is streak?
A repeating pattern of a mineral's solid particles.
What is crystal structure?
Layers in sedimentary rocks.
What is strata?
This is the molten rock that flows down the side of a volcano.
What is lava?
Rocks changing from one kind to another over millions of years is known as this.
What is the rock cycle?
Metamorphic rocks get their name also from the Latin word morph, meaning this.
What is "form" or "to change"?
This happens when a mineral or rock breaks into fragments or rough uneven surfaces.
What is a fracture?
This black rock is an example of extrusive rock that forms when lava rapidly cools.
What is obsidian?
This state has the most earthquakes.
What is Alaska?
This is formed when clay goes under a lot of heat and pressure.
What is slate?
This happens when 2 plates collide or converge and one is shoved underneath the other one.
What is subduction (zone)?
When identifying how a mineral shines under light we call this:
What is luster?
This type of rock is formed from dead trees and plants (also known as fossils) ?
What is coal?
These layers of the Earth are solid.
What is the Earth’s crust and inner core? (core)
Magma cooling under the Earth's surface forms this kind of igneous rock.
What is an intrusive igneous rock?
Lithosphere and Asthenosphere are located here.
What is the mantle? (two layers)