(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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When two plates collide, the denser plate eventually descends below the other, less-dense plate
Subduction
Another name for underwater mountain ranges
Mid-Ocean Ridges
Middle layer of the Earth; contains magma
Mantle
The process in which materials on or near Earth’s surface break down and change
Weathering
The sudden appearance of a diverse collection of organisms in the Cambrian fossil record
Cambrian Explosion
When continental crust begins to separate, the stretched crust forms a long, narrow depression
Rift Valley
The very center of the Earth; made of solid iron
Inner Core
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
Occurs when many groups of organisms disappear from the rock record at about the same time
Mass Extinction
Supercontinent that broke apart about 200 mya
Pangea
Happens when the flow in the outer core changes and Earth’s magnetic field changes direction
Magnetic Reversal
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 liquid to a gas.
Evaporation
Layer of the Earth made of liquid iron
Outer Core
Naturally occurring, inorganic solid, with a specific chemical composition and a definite crystal structure
Mineral
This eon makes up the first 90% of Earth's history
Precambrian
Water changes from a gas to a liquid.
Condensation
Hypothesis that Earth’s continents had once been joined as a single landmass that broke apart and sent the continents adrift
Continental Drift
Deepest parts of the Seafloor; where subduction is occurring
Trench
Scientist given credit for the idea of continental drift
Alfred Wegener
Regions where 2 tectonic plates are moving apart
Divergent Boundary
A region where two plates slide horizontally past each other
Transform Boundary
Rocks made of sediments “glued” together
Sedimentary Rock
Another name for the crust & some upper mantle of the Earth
Lithosphere
The largest time unit in the geological time scale
Eon
Two tectonic plates are moving toward each other
Convergent Boundary
The removal of weathered rock and soil from its original location
Erosion
Scientist who discovered that the seafloor is spreading
Dr. Harry Hess
A layer of permeable sediment and rock that is saturated with water.
Aquifer
A device that can detect small changes in magnetic fields
Magnetometer
