Rocks types Magmatic rocks (das magmatische Gestein, der Magmatit) (intrusiv, extrusiv) Sedimentary rocks (das Sedimentgestein) Metamorphic rocks (das metamorphe G., das…

Slide 1Earths Past Slide 2 Fossils are traces or remnants of past life. Many fossils are found in rock. Rocks, fossils, and other natural evidence provide information about…

Slide 1How Old is the Earth? 1654: Archbishop James Ussher of Ireland studied the timing of biblical events described in the Old Testament, and concluded that the the world…

Slide 18.3 Radioactive Dating 7.4.d Students know that evidence from geologic layers and radioactive dating indicates Earth is approximately 4.6 billion years old and that…

Slide 1Dating with Radioactivity Chapter 12, Section 3 Slide 2 Basic Atomic Structure Each atom has a nucleus containing protons and neutrons and that nucleus is orbited…

Slide 1GEOLOGIC TIME Slide 2 Rocks Record Earth History Discovering Earths History Rocks record geological events and changing life forms of the past. We have learned that…

Slide 1Rock/Mineral Exam – Next Week Take advantage of the help sessions. Samples on the exam will not be the same samples you saw in lab, so memorizing them is not useful.…

Slide 1 Slide 2 Unit 6 – The Geosphere Vocabulary 1.Uniformitarianism 2.Relative Dating 3.Law of Superposition 4.Principle of Original Horizontality 5.Principle of Cross-…

Slide 1 Slide 2 Teacher: Mr. Carl Slide 3 Objective At the end of this lesson, you will be able to: Explain how rocks and fossils are used to understand the age and geological…

Slide 1 Slide 2 LOOK AT THIS TIME SCALE. TELL ME 5 THINGS ABOUT WHAT YOU SEE. TELL ME ONE THING YOU ALREADY KNOW AND ONE THING YOU WANT TO KNOW. Slide 3 Rocks Record Earth…