Layers of the earth
When rocks heat up again and begin to rise, this is an example of what object?
A lava lamp
What are all rocks made out of?
Minerals
What are the 3 types of boundaries?
Divergent, Convergent, and transform
What are 3 types of convergent boundaries
Continent-Continent, Ocean- Ocean, and Continent- Ocean
At what speed are earthquakes changing?( One word)
rapid/ fast
Describe the way convection cells are both, then describes the direction(Ex. Same).
They are moving in different directions, and they are opposing cells.
how are metamorphic rocks formed?
Heat and pressure is how they are formed
Define transform boundaries
They are plates sliding past eachother.
What boundary did the San Andreas Fault occur?
Transform Boundary
What other landforms except for earthquakes, are moving at a rapid speed.
Volcanoes
What is the outer core composed of?
It is composed of molten metal (liquid iron and nickel). It is the only liquid layer
Define compaction
It is when gravity pulls everything down, squeezing the bottom rocks, forcing the water out.
What is the name of evidence that is gained from experimentation or observation?
Empirical Evidence
What is a result of a Continent- Ocean convergent boundary?
Volcano or Trench
What boundary do earthquakes occur?
Transform.
What are convection currents caused by?
Convection currents are caused by the magma in the mantle being heated by the hot core
How does cementation deal with sedimentary rocks?
The sedimentary rock pieces stick together with clay or other materials.
What is a Mid-Ocean Ridge?
It is the most extensive chain of mountains on Earth, deep on the ocean floor
What is Subduction?
It is when one plate is pulled down below another plate into the Earth's mantle.
Define Continental Drift.
The gradual movement of the continents across the Earth's surface
Describe what the inner core is made out of?
The inner core is solid, dense, and made mostly of iron. It is the densest layer of the earth.
What type of rock is formed by melted magma?
Ingneous
Fill in the blanks ( The ____ of plate tectonics is called a ____ because it explains why natural events occur.
Theory is the word that fills in both blanks
What do boundaries create?
How are earthquakes formed?
They are formed by the movement of the ground shaking rapidly in seismic waves