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Earth's History

climate This is the long term weather patterns in an area.
ice cores These are tubular samples that show the layers of ice and snow that have built up over thousands of years.
tree rings Theses are patterns of circles found on the cross-section of a tree.
carbon film This is when an organism decays and the carbon from its body forms a film on rocks
petrified wood This is a stone or fossil of a tree or plant
cast This is a solid model in the shape of an organism made of sediment that filled the mold.
mold This is a visible shape left after an organism has decayed away
original remains These are remains of organisms that are preserved and air tight.
paleontologist This is a scientist that studies fossils to understand Earth's history
fossil These are traces of remains of living things from long ago
Created by: krusso78