Rock Types
This rock forms when melted rock cools and hardens.
What is igneous rock?
Type of boundary where plates move away from each other.
What is divergent?
Scientists watch this for small shakes that can mean magma is moving.
What are earthquakes?
This is the process where rock and soil are broken down by wind, water, or ice.
What is weather?
Rocks formed from layers of sediment being pressed and cemented.
What is sedimentary rock?
Plates slide past each other at this boundary, causing earthquakes.
What is transform?
If a volcano starts letting out more steam or gas, it can be a sign it might do this.
What is erupt?
When soil and rock are moved from one place to another, it is called this.
What is Erosion?
Heat and pressure deep inside Earth create this type of rock.
What is metamorphic rock?
At this boundary, one plate sinks below another into the mantle.
What is a convergent boundary?
Biggest eruption in US history
What is Mt St Helens?
This layer is made of solid rock but can flow slowly over time.
What is the mantle?
This igneous texture has large crystals because it cooled slowly underground.
What is intrusive igneous rock
What do scientist call the machine that helps measure gas?
What is COSPEC?
This is the very center of the Earth, made mostly of iron and nickel.
What is the core?
Erosion and weathering help create what rock type?
Sedimentary rock
What layer of the earth are plate boundaries located?
What is crust?
Scientists use these tools to track shaking that might warn of an eruption.
What are seismographs?
This word describes how “thick” or “runny” a liquid is.
What is viscosity?