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Geologic Time

Picture
Fossil, Mold, Cast, Petrified Fossil, Trace Fossil, Paleontologist, Scientific Theory, Evolution, Extinct, Relative Age, Absolute Age, Index Fossil, Radioactive Decay, Half-life, Geologic Time Scale, Era, Period, Continental Drift, Mass Extinction, Unconformity, Disconformity, Nonconformity, Angular Conformity, Glacial Till, Rock Fold, Drumlins, Peat, Soil

Students are to create a Quizlet word list and print the "glossary", stapling it in their notebook. This is a large assignment and should be completed over time.


Fossils

Read: Earth's Changing Surface "Fossils" (pp. 108-116)

Key Terms: Fossil, Mold, Cast, Petrified Fossil, Trace Fossil, Paleontologist, Scientific Theory, Evolution, Extinction
Fossil Index

Homework: Bring in a small object to fossilize (trinket, shell, chicken bone, etc.)

Some supplies we may need from home, ask you parents: freezer storage bags of grass cuttings, dried leaves, random very small pieces of organic yard stuff.


Copy this chart in your notebook.
Picture

Animations & Graphics
Fossilisation
Cast and Mold
Fossil Assembly


Relative Age & Radio Acitve Dating

Read: Earth's Changing Surface "Relative Age of Rocks" (pp. 117-121)
& "Radioactive Dating" (pp. 123-126)

Key Terms: Relative Age, Absolute Age, Index Fossil, Radioactive Decay, Half-life, Unconformity
Relative Ages 

To find the relative age of rocks, do you need to know their exact age? Explain.

What is the principle of superposition?


Animations & Graphics
Rock Correlation
Types of Unconformity
Disconformity
Various Events

Picture

Glue figures A and B on two separate pages in your notebook. 
Picture
Identify the type of unconformity shown.  Is it possible that there were originally more layer of rock?

Describe how the rocks on the left of the fault moved in relation to the rocks on right.

Hypothesize how the hill of the left side of the figure formed?
Is it possible to conclude if the igneous intrusion on the left is older or younger than the nonconformity nearest to the surface? 

Hypothesize which two layers of rock may have had been much thicker in the past.

The Principle of Superposition

Copy questions 1 through 7. Skip three to four lines for each question.

Carbon Dating
Copy questions 1 through 7. Skip three to four lines for each question.

What is the difference between Carbon-12 and Carbon-13?

Why is Carbon-14 different from -12 & -13?

What happens to Carbon-14 after an organism dies?

What does Carbon-14 revert to in a decaying organism? 

Is Carbon dating accurate?  What could effect the dating results?

What is the half-life of Carbon?

Jelly Bean Carbon-14 Dating
Procedure
  1. Count out 80 jelly beans.
  2. Remove half the red beans and replace them with green jelly beans.
  3. Continue replacing half the red jelly beans with green jelly beans until only 1 red jelly beans remain. Count the number of times you replaced half the red jelly beans.
Copy these questions.  Skip three lines after each. 

How did this activity model the decay of carbon-14 atoms?

How many half-lives of "carbon-14 did you model during this activity?

If the atoms in a bone experienced the same number of half lives as your jelly bans, how old would the bone be?

Animations & Graphics
Radioactive Dating


Summary Notes on Fossils & Dating Methods


Geologic Time

Read: Earth's Changing Surface "Geologic Time Scale" (pp. 127-129)

Key Terms: Geologic Time Scale, Era, Period
Looking at the Geologic Time Scale

Glue figures 1 and 2 in your notebook and copy questions 1 though 5 in your notebook.
Picture

Summary Notes

Read: Earth's Changing Surface "Early Earth" (pp. 130-133) & "Eras of Earth's History (pp. 134-145)

Key Terms: Continental Drift, Mass Extinction

Study Guide

Review Vocabulary Terms
Cast, Fossil, Cast, Index Fossil, Half-Life, Principle of Superposition, Relative and Absolute Dating, Radioactive Dating and Decay, Unconformities (all types), Era. Period, Geologic Timeline Project

Know the different life forms in each era
Know when mammals, reptiles, dinosaurs, primates, and humans appeared
Know about the evolution of birds, reptiles, dinosaurs

Be able to identify the events in rock layers
Be able to explain how the eras are divided
Be able to explain the differences and similarities of the Mesozoic and Cenozoic Eras
Be able to explain the Churches position of evolution. 

Extra Credit

demonstrating_the_half-life_of_radioactive_isotope.pdf
File Size: 55 kb
File Type: pdf
Download File

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  • RELIGION
    • New Testament (7) >
      • The Gospels (7)
      • Private Life of Jesus (7)
      • Beginning of Jesus' Public Ministry (7)
      • Early Ministry in Judea (7)
      • Jesus' First Galilean Ministry (7)
      • The Kingdom (7)
      • Apostolic Church
      • Theology of the Body
    • Catholic Catechism (8) >
      • Existence of God (8)
      • The Creed (8)
      • Liturgy & Sacraments (8)
      • Christian Morality (8)
      • Christian Prayer (8)
    • Circle of Grace
    • Service Hours
  • U.S. HISTORY
    • American Imperialism
    • Industry, Immigration, & Progressive Reform
    • World War I
    • The 1920's & 1930's
    • World War II
    • Civil Rights
    • The Cold War
    • The Vietnam War & 1970's
    • The Vietnam War & 1970
    • The 1980's & 1990's
    • 21st Century
  • SCIENCE
    • Earth Science, Grade 6 >
      • Rocks & Minerals (6)
      • Geologic Time (6)
      • Plate Tectonics (6)
      • Volcanoes & Earthquakes (6)
      • Weather & Climate (6)
      • Space, Solar System, and Earth (6)
    • Physical Science, Grade 8 >
      • States of Matter (8)
      • Waves (8)
      • Light (8)
      • Types of Energy (8)
      • Electricity (8)
      • Force & Motion (8)
    • The Scientific Method
    • Metric System
  • LEARNING FAIR
    • How has ___ changed?
    • Test a tale
    • Who was ____ and what did s/he do?
  • STUDY SKILLS
  • CLASSROOM INFO
    • CALENDAR
    • SYLLABUS
    • QUICK LINKS
    • HOME RESOURCES
    • CONTACT ME
  • EXTRA CREDIT
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