Earth Science W4 Lab

User Generated

xelb2019

Science

EASC 101

Regent University

Description

This lab can be opened as an html (http://www.glencoe.com/sites/common_assets/science/virtual_labs/ES12/ES12.html) or you can download it as SWF and open that file.

  1. If you use the SWF file please consider that this is an .swf file, which is a Flash file. Your computer will download it. You can then double click it and it may open. If you do not have an application to open or play it you need to download one (Flash Player is an example). I personally use a Mac and had best luck with the player called elmedia.
  2. You are responsible for covering all topics and questions covered in the lab instructions found on blackboard in your lab report. No real instructions appear in this application (html or .swf file) so I will attempt to help you a bit in what to do afterward to complete the lab.
  1. Click on the computer in the video and you will have an option to look at field notes or email. Next click on field notes. This will tell you the type of layers you are looking at on ‘Dig 1’ based on the symbols. You will note you have some igneous layers. As you click through the field notes you will see various fossils and their respective age ranges. Take some notes here. You will have to identify fossils in sedimentary layers. Number your layers by dragging the tag looking feature that gives a number to each layer automatically. Drag these to the far left of the computer even to get them to stick.
  2. Now you are ready to take rock samples for radiometric or absolute aging. For this you will drag the hammer to each sedimentary layer. You will see rocks appear in your sample box.
  3. Next you need to send your rock samples to the lab for radiometric or absolute aging. To do this click on the jeep in the top left. The scientist will roll down her window. Then you drag each rock sample over to the window. Then you click the jeep again and she will tell you to check your email for the data. You can check your email by clicking on the computer again to record radiometric ages of each igneous layer.
  4. Now we need to acquire the relative ages. To do this we need to analyze fossils. Fossils will only occur in sedimentary layers not the igneous (so Dig 1 will only have 2 fossils). You will grab the magnifying glass and drag it to the appropriate layers and the fossils will appear. Be patient with this part. Compare the fossils to those in your field note to understand the age ranges. Now you have completed the relative aging of the layers!
  5. You have to complete this for 3 dig sites. To access the next dig click the reset button.
  6. Record ages through relative and radiometric or absolute aging for each dig and assemble them in a table. Answer all questions in the blackboard instructions through a formal lab report (abstract, intro, materials and methods, and results and conclusions).

- Earth Science, 15th edition, by Edward J. Tarbuck, Frederick K. Lutgens, Dennis Tasa. Pearson/PrenticeHall, 2018.

Ch - 7,11-12

Unformatted Attachment Preview

Lab Report Format Title Name Abstract The abstract is a summary of your report. You should write the other sections of your lab report before writing your abstract so that all of the information is already available. The most straightforward method for building your abstract is to write a summary sentence (or two) for each of your sections, which will result in a minimum of 3 sentences. Introduction The introduction provides the background information for why someone might be interested in your research. Tell the reader something about the subject you are looking at: What are minerals, earthquakes, relative/absolute dating, etc? Why would learning more about your topic be important? What specific question are you trying to answer, or what is your hypothesis about what your testing will find? Materials and Methods What types of equipment did you use, and how and when did you use it. Write this section as if you are actually performing the experiment in a lab, not on a computer. The description does not need to be excessively detailed, but major steps along the way should be covered. Results and Conclusions Here you will include any table, graphs, or screenshots that were made from the data you collected during the experiment. In most cases, you will be provided with specific instructions as to what graphics are expected to be included in your final report, as well as a series of questions that you should be trying to answer during the experiment. Questions should be answered in the context of a continuous paragraph, not a list of questions and answers.
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Explanation & Answer

Hi buddy, please find the attached copy of the final draft.

Lab Report Outline
• Abstract : The abstract is a summary of your report. The abstract comprises of summary
sentences for each of your sections.
• Introduction: The introduction provides the background information for why someone might
be interested in your research. The matters discussed are What are minerals, earthquakes,
relative/absolute dating? Why would learning more about your topic be important? What
specific question are you trying to answer, or what is your hypothesis about what your testing
will find?
• Materials and Methods: What types of equipment did you use, and how and when did you use
it.
• Results and Conclusions: Here, the report include any table, graphs, or screenshots that were
made from the data you collected during the experiment. It also has the conclusive remarks
about the experiment.


Running head: ABSOLUTE AND RELATIVE DATING OF RARE FOSSILS

Absolute and Relative Dating Of Rare Fossils
Student’s Name
Institutional Affiliation

1

ABSOLUTE AND RELATIVE DATING OF RARE FOSSILS

2

Abstract
The lab report focused on the investigation of the ages of rocks and the organism that lived
during that time using the fossils index. The experiment was conducted virtually through the use
of a program that allowed the collection of samples of rocks from four layers, which had both
igneous and sedimentary rocks. The samples from the igneous rocks were dated using
radiometric dating. At the same time, the sample form the sedimentary rocks sample was
determined through the use of absolute dating of the fossils. The results showed that the
organism in the Dig Site 1 layer 1 lived during the Permian period due to the presence of the W
fossils. The Dig Site 2 and 3 layers 1 had V fossil which was alive during the Triassic Period.
Layer 4 was the oldest in Dig Site 1, which was 550 Million years, Dig Site 2 250 Million years,
and Dig Si...


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