A ball sitting on the top of a hill is an example of
What is potential energy
100
How old is the Earth estimated to be?
What is 4.6 billion years old
100
Causes Earthquakes
What is a transform boundary
200
state in which magnetized objects, such as compass needles, will orient themselves to point north
What is normal polarity
200
sandstone, limestone, and shale are all examples
What is sedimentary rock
200
Chemical reaction that releases energy into its surroundings
What is an exothermic reaction
200
Less than __% of all organisms that have lived turn into fossils
What is 10%
200
What seismic wave will typically be the fastest
What is primary seismic wave
300
state in which magnetized objects reverse the direction and orient themselves to point south (magnetic reversals)
What is reversed polarity
300
Found by using radiometric dating and radioactive isotopes
What is absolute time
300
Two major forces acting on a wind turbine are
What is lift and drag
300
A fossil that has wide spread distribution, it has a specific known time of existence and is common to many enviornments
What is an index fossil
300
What is the order of the Earth layer from Outer to Inner
What is Crust (continental and oceanic), lithosphere, asthenosphere, outer core, inner core
400
process by which new oceanic crusts form along a mid-ocean ridge and older oceanic crust moves away from the ridge
What is sea floor spreading
400
Any rock that intrudes another rock, that intrusion is considered _______ that the rock it is going through
What is younger
400
_____is involved in every change
What is energy
400
What is the acronym Please "Come Over Some Day Maybe Play Poker Three Jacks Cover Two Queens" used to remember?
What is the periods
400
_______ is the thickest of the crust because...
What is oceanic crust; because, it consists of basaltic rock
500
_____ is used to develop a map of the bottom of the ocean
What is sonar
500
Two rocks containing radioactive element A were taken from a mine. One had a mass of 2 grams; as the other had a mass of 4 grams. Compared to the half-life of element A in the 4 gram sample, and the half- life of element A in the 2 gram sample, will be...
What is the same because elements of the same radioactivity decay at the same rate
500
What is the engineering design loop
What is research, identify a need, develop solutions, select most promising, construct a prototype, test and evaluate prototype, redesign
500
Cretaceous, Jurassic, and Triassic are all periods in the ________ era