Impossible
You're Not Going to Get It Right
Too Tough
You Should Have Studied More
You Should Have Studied More Before
100
A hollow area in sediment in the shape of an organism.
mold fossil
100
The preserved remains or traces of living things
fossil
100
a rock's age compared to the age of other rocks
relative age
100
lava that hardens on the Earth's surface is an example of
an extrusion
100
rock altered by heat and pressure
metamorphic rock
200
when no members of a species have survived
extinct
200
a fossil that is useful for dating rocks
index fossil
200
a break in the Earth's crust
fault
200
the process of elements breaking down and releasing particles and energy
radioactive decay
200
a process that breaks down rock through chemical change
chemical weathering
300
fossils in which minerals replace all or part of an organism
petrified fossil
300
A solid copy of the shape of an organism
cast fossil
300
a well tested theory that explains a wide range of observations
scientific theory
300
rock that hardens beneath the Earth's surface
intrusion
300
the kind of volcanoes that make up the Hawaiian islands
shield volcanoes
400
scientist who studies fossils
paleontologist
400
fossil that provides evidence of an organism's activity
trace fossil
400
the number of years since a rock formed
absolute age
400
a gap in the geologic record
unconformity
400
estimates the total energy released by an earthquake
moment magnitude scale
500
An extremely thing coating of carbon on a rock.
carbon film
500
fossil where most of the original organism is preserved
preserved remains
500
states that older rocks will be located bellow younger rocks
law of superposition
500
the time it takes for half of the radioactive atoms in an element to decay
half-life
500
the resistance of a liquid to flowing
viscosity
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