Slide 1IQ # 2 2.The half-life of carbon-14 is about 5600 years. A fossil with ¼ the normal proportion of C 14 is probably _______ years old. 1.Answer the following using…
Slide 1Evidence For Evolution Slide 2 We have defined evolution as change over time. Through his studies of Lamarck and his voyages around the world, Charles Darwin created…
Slide 1Evolution Review Slide 2 History of the Earth Darwins Theory of Natural Selection Evidence of Evolution Shaping Evolutionary Theory Miscellaneous 100 200 300 400 500…
Slide 1 Slide 2 LOJ Feb 2004 Radioactivity 6 Half Life Slide 3 LOJ Feb 2004 Half Life The half-life of a radioactive substance: is the time it takes for the number of parent…
Slide 1Chapter 8 Section 2 Handout Determining Absolute Age Slide 2 1. What does relative age indicate? Only that one rock formation is younger or older than another rock…
Slide 1Uniformitarianism Laws of nature DONT change with time Past events explained & estimated by modern processes The Present is the Key to the Past Slide 2 Uniformitarianism…
Slide 1Half Life Slide 2 Quiz time Hold up the correct quiz cards for each question... Tip: you may need to hold up more than one! - Slide 3 Open your books... Date: Title:…
Slide 1U SES OF RADIOISOTOPES Slide 2 R ADIOISOTOPES TO STUDY Carbon – 14 Cobalt – 60 Iodine – 131 Iodine - 125 Determine the numbers of protons, electrons and neutrons…
Slide 1ABSOLUT DATING Explanations collected from three online presentations Slide 2 For example: – If a rock has a parent/daughter ratio of 1:3, the remaining parent proportion…