Misc
This is the name of the proposed "supercontinent" where all the earth's continents were once joined together.
What is Pangaea?
States that youngest rocks of ocean floor are at divergin boundaries, moving outward
What is Sea-Floor Spreading?
The plates that are located on the Earth's crust.
What are Continental plates.
Melted rock that flows out onto Earth's surface is...
What is Lava
Scientists measure earthquake waves with a...
What is a seismograph
This is the meteorologist who first proposed the Theory of Continental Drift
Who is Alfred Wegener?
Theses plates are found on the ocean floor.
What are Oceanic plates
If you somehow dug down to Earth's center, the first two layers you would pass through are the...
What are Crust and Mantle?
These are the 3 types of volcanoes.
What are cinder cone, composite, and shield volcanoes.
This ocean is currently growing in size due to seafloor spreading.
What is the Atlantic Ocean?
The location where all earthquake surface waves begin.
What is the epicenter?
What is the formula for rate?
What is distance divided by time
The Earth's crust is thinnest under the _____________________ and thickest under the _____________________.
What is thinnest under the ocean and thickest under the continents.
When one plate slides under another due to the different types of density.
What is Subduction
The S-P interval of an S-wave that arrives at 4:25:15am and a P-wave that arrives at 4:24:45am. How much time has passed?
What is 30 seconds?