Vocabulary for S6E5g 1. On a sheet of paper, you need to write the

Vocabulary for S6E5g
1. On a sheet of paper, you need to write the Unit E.Q., Lesson E.Q., and Learning Objective below:
 Unit E.Q.: How is the Earth constantly changing?
 Lesson E.Q.: How do rocks reveal secrets about the Earth?
 Learning Objectives: I can describe how fossils show evidence of the changing surface and
climate of the Earth (S6E5g).
2. After you have written the items above, you need to write the words and definitions below.
 Vocabulary:
1. Fossil-any remains, impression, or trace of a living thing of a former geologic age that can
tell when, where, and how they lived
2. Imprint-a mark made by pressure
3. Preservation-to keep safe from harm or injury; protect or spare
4. Geologic Time Scale-divisions in Earth’s history into time units based on the types of life that
lived only during a certain period
5. Superposition-states that in an undisturbed rock layer, the oldest rocks and fossils are on
the bottom layer and the youngest rocks and fossils are at the top
6. Uniformitarianism-the idea that processes that occurred in the past are not different from
those observed now
7. Mold-a type of fossil in a sedimentary rock that forms when an organism with hard parts is
buried, decays or dissolves, and leaves a hole in the rock outlining the organism
8. Cast-a type of fossil in a sedimentary rock that forms when crystals fill a mold or when
sediments was into a mold and harden in the rock to the shape of the original organism
9. Carbon Film-a thin film of carbon residue from an organism preserved as a fossil
10. Permineralized Remains-a fossil in which the spaces inside are filled with minerals from
11. Trace Fossil-a fossilized track, trail, burrow, or other structure in sedimentary rock that
records the presence or behavior of the organism that made it
12. Original Remains-an actual organism preserved as a fossil either in amber, ice, or tar
13. Index Fossil-remains of organisms that existed on Earth for a short time, were common or
abundant, and were widespread geographically or found all over the world, and are used to
help determine the ages of rock layers
14. Relative Age-the age of something compared with other things; saying something is older or
younger than something else without a direct number
3. After you are done copying the words and definitions, you need to draw your pictures of the
*You will get a grade for copying the words and definitions and a grade for the pictures.*