Age of the Earth
Study Guide for Age of Earth Section 17.1
Go to posted classwork
__Please read pages 323-326.
Vocabulary List for pages 323-326:
(Click on an underlined word to hear it spoken)
principle of uniformitarianism (p.323) relative age (p. 324)
bedding plane (p. 324) law of superposition (p. 324)
unconformity (p. 325) nonconformity (p. 325)
angular conformity (p. 325) disconformity (p. 325)
law of crosscutting relationships (p. 326)
__Please answer Class Questions
Objectives
1__State the principle of uniformitarianism.
2__ Explain how the law of superposition con be used to determine the relative age of rocks.
3__ Compare three types of unconformity.
4__Apply the law of crosscutting relationships to detemine the relative age of rocks.
Study Guide for Age of Earth Section 17.2
__Please read pages 327-333.
Vocabulary List for pages 327-333:
(Click on an underlined word to hear it spoken)
absolute age (p. 327) varves (p. 328) radioactive (p. 328)
radioactive decay (p. 329) parent element (p. 329)
daughter element (p. 329) half-life (p. 330) carbon dating (p. 332)
__Please answer Class Questions
Objectives
1__Summarize the limitations of using the rates of erosion and deposition to determine the absolute age of rocks.
2__ Describe the formation of varves.
3__ Explain how the process of radioactive decay can be used to determine the absolute age of rocks.
Study Guide for Age of Earth Section 17.3
See animation of fossil formation of a mold and cast.
__Please read pages 334-338.
__Please read pages 334-338.
Vocabulary List for pages 334-338:
(Click on an underlined word to hear it spoken)
paleontologist (p. 334) evolution (p. 334) paleontology (p. 334)
mummification (p. 335) amber (p. 335) tar beds (p. 335)
freezing (p. 335) petrification (p. 335) trace fossils (p. 336)
imprints (p. 336) molds (p. 336) casts (p. 337)
coprolite (p. 337) gastrolith (p. 337) index fossils (p. 338)
ammonite (p. 338) trilobite (p. 338)
__Please answer Class Questions
Objectives:
1__ Describe four ways in which entire organisms can be preserved as fossils.
2__ List four examples of fossilized traces of organisms.
3.__Describe how index fossils can be used to determine the relative age of rocks.
Practice Test may be assigned by your teacher.
Please note that not all classwork used in class can be posted.
Age of the Earth Glossary
Go to the next module The Geological Time Scale
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This page was originally posted: 7/22/04; 2:53:59 PM.
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