Relative dating lesson Mary hart haircolour eyecolour


30-May-2016 09:06

Assign one of the following organisms to each student, or have students work with partners and assign one organism to each pair: bacteria, cynobacteria, plants, invertebrates, fish, amphibians, reptiles, birds, first mammals, Java man, Peking woman, Australopithecus boisei , Neanderthal man, Cro-Magnon man, modern-day humans.Distribute index cards to students, and have them use markers to write on the index cards the names of their organisms and the approximate number of years ago they appeared on Earth (for example, "bacteria—3.6 billion years ago," or "birds—200 million years ago").This lesson introduces absolute dating and a few ways in which scientists accomplish it.The majority of the lesson focuses on radiometric dating, including an activity where students date their own "rocks and fossils".The most recently deposited materials are the youngest and are always at the top. It always applies except when some type of disturbance has occurred.

(They may draw microscopic organisms, such as bacteria, as if seen under the lens of a microscope.)Use narrow paper to create a frieze going around all four walls of your room, explaining that students will use the frieze to create their time line.

Similar ripples occur in tidal environments and correct interpretation requires that the local facies content be taken into account.

Before you begin this activity, read the book chapter listed below, which is available online through Library Reserves.

This is a two week learning segment on hotspot volcanoes.

This is a collaborative effort between Melanie Mc Williams, a high school Earth and Planetary Science teacher at Chula Vista High School in San Diego, California, and Jamie A.Elicit from students that the time line is so long because Earth is estimated to be 4.6 billion years old.



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