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8th grade science crossword puzzle

Across
two or more elements with a charge
when the molecules move a little they become what
tree sap
atom with charge
what energy is used for the MRI
older layers of sediment go on the bottom and younger layers go on the top
What happens to soft tissue
what element is universal
a fossil fuel in liquid form
where do the younger layers of sediment go
What happens to soft tissue in body fossils
what is another name for trace fossil
the radioactive decay to determine the specific age of the substance
contains fluorine
the warming of our planet at a rate faster than nature
What is another example of a body fossil
when the entire organism gets trapped in the ice ,tar ,tree sap
shovel, detail pick, measuring tape
seeing its environment and habits
see portion of the body
hollowed out information of the organism
Down
helps to absorb the ultraviolet radiation
looking for the most specific age of the fossil
Magnetic Resonance Imaging
finger print
solid form of fossil fuel variety
when the molecules move a lot they become what
will combine with itself to be stable with nature
it is mud, sand, gravel
no charge
number of protons
What is another example of a body fossil
PALEONTOLOGY
Is ozone
the water leaves, minerals come in and it becomes a rock (turned to stone)
two or more elements with no charge
the remains of plants and animals
The farther down the sediment the older or younger it is
What is an example of body fossil