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Geological Time Layers

Across
Same number of protons in the nucleus
How many years old the earth is
Relates to the study of earths physical structure and substance
Used to weigh things
Used to date rocks
Final stage of life
A compound or substance
Theory of how things came to be
Element with atomic number 6
Opposite of spiritual
Grand _______.
Down
Positive, and found in a cell
It's relative
Jimmy _________.
Prehistoric remains
An onion has ________.
Found in pencils
The material from a liquid that settles to the bottom
Control center of a cell
Shine bright like a _______. (Rhianna)