(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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Occurs when many groups of organisms disappear from the rock record at about the same time
Mass Extinction
Another name for the crust & some upper mantle of the Earth
Lithosphere
Deepest parts of the Seafloor; where subduction is occurring
Trench
Rocks made of sediments “glued” together
Sedimentary Rock
Two tectonic plates are moving toward each other
Convergent Boundary
The very center of the Earth; made of solid iron
Inner Core
When continental crust begins to separate, the stretched crust forms a long, narrow depression
Rift Valley
The sudden appearance of a diverse collection of organisms in the Cambrian fossil record
Cambrian Explosion
The largest time unit in the geological time scale
Eon
Another name for underwater mountain ranges
Mid-Ocean Ridges
When two plates collide, the denser plate eventually descends below the other, less-dense plate
Subduction
A device that can detect small changes in magnetic fields
Magnetometer
Water changes from a liquid to a gas.
Evaporation
Huge pieces of crust and rigid upper mantle that fit together at their edges to cover Earth’s surface
Tectonic Plates
Water changes from a gas to a liquid.
Condensation
Regions where 2 tectonic plates are moving apart
Divergent Boundary
The process in which materials on or near Earth’s surface break down and change
Weathering
This eon makes up the first 90% of Earth's history
Precambrian
Middle layer of the Earth; contains magma
Mantle
Naturally occurring, inorganic solid, with a specific chemical composition and a definite crystal structure
Mineral
Scientist who discovered that the seafloor is spreading
Dr. Harry Hess
A region where two plates slide horizontally past each other
Transform Boundary
Supercontinent that broke apart about 200 mya
Pangea
The removal of weathered rock and soil from its original location
Erosion
Layer of the Earth made of liquid iron
Outer Core
Happens when the flow in the outer core changes and Earth’s magnetic field changes direction
Magnetic Reversal
Hypothesis that Earth’s continents had once been joined as a single landmass that broke apart and sent the continents adrift
Continental Drift
Theory that explains how new oceanic crust is formed at ocean ridges, slowly moved away from ocean ridges, and destroyed at deep-sea trenches
Seafloor Spreading
A layer of permeable sediment and rock that is saturated with water.
Aquifer
Scientist given credit for the idea of continental drift
Alfred Wegener
