Earth's outermost layer of rock.
What is crust?
The five distinct sections of the earth.
What are Atmosphere, Hydrosphere, Crust, Mantle & Core?
Rock that forms from molten rock.
What is igneous rock?
Rock formed when chemical reactions cement sediments together, hardening them.
What is sedimentary rock?
The only section of the earth that we can directly observe.
What is crust?
Device used to measure and analyze the earths vibrations.
What is a seismograph?
This boundary signals the beginning of the earth's core.
What is Gutenberg discontinuity?
This layer of the earth is directly under the crust.
What is mantle?
DAILY DOUBLE The four types of interactions that can occur between the earth's plates
What are plate separations, plate subduction, plate collision, and plate sliding?
The boundary between the inner and outer core.
What is Lehmann Discontinuity?
The two theories that try to explain where the electrical current in the earth's core originates.
What are dynamo & rapid-decay theories?
Scientist speculate that all continents were once part of this giant supercontinent.
What is Pangaea?
The phenomenon by which a liquid turns into a solid due to high pressure.
What is pressure freezing?
The boundary between two sections of rock that can move relative to one another.
What is a fault?