Radiometric dating exam questions

10-Sep-2017 06:54

This half-life is far too short to be used for dating dinosaur remains, for instance.Instead, we use the decay of elements which have longer half-lives.It's a measure of time that is based on a fundamental physical process: the Earth orbiting the Sun.That can lead to the fact that there is a basic physical process behind radioactive decay as well.The method chosen should be appropriate to the question being asked. Scientific decision making is a way of answering questions about the natural world.Students should be able to distinguish between scientific decision-making methods and ethical and social decisions that involve the application of scientific information. A system is a collection of cycles, structures, and processes that interact. The whole concept of radiometric dating relies on the decay of radioactive parent elements into stable daughter elements.The time it takes for half of the parent to decay into the daughter is what is called half-life.

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Source: The provisions of this 112.31 adopted to be effective August 4, 2009, 34 Tex Reg 5063; amended to be effective August 24, 2010, 35 Tex Reg 7230. Aquatic Science, Beginning with School Year 2010-2011 (One Credit). Students shall be awarded one credit for successful completion of this course.

All systems have basic properties that can be described in terms of space, time, energy, and matter.

Change and constancy occur in systems as patterns and can be observed, measured, and modeled.

Possible discussion questions: Bring in an hourglass; demonstrate that time can be measured with a physical process (sand falling).

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Use multiple hourglasses to illustrate precision in measurements -- preparing for a discussion of the use of multiple radiometric systems. Show slides, step-by-step, of the process, from sample collection to mass spectrometry.The student is expected to: (A) know the definition of science and understand that it has limitations, as specified in subsection (b)(2) of this section; (B) know that scientific hypotheses are tentative and testable statements that must be capable of being supported or not supported by observational evidence.Hypotheses of durable explanatory power which have been tested over a wide variety of conditions are incorporated into theories; (C) know that scientific theories are based on natural and physical phenomena and are capable of being tested by multiple independent researchers.Students should know that some questions are outside the realm of science because they deal with phenomena that are not scientifically testable. Scientific inquiry is the planned and deliberate investigation of the natural world.

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Radiometric dating or radioactive dating is a technique used to date materials such as rocks or carbon, in which trace radioactive impurities were selectively incorporated when they were… continue reading »

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TASC Science Radiometric Dating Chapter Exam Instructions Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like… continue reading »

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The link between radiometric dating and lightspeed Question Is there a direct link between radiometric dating and the speed of light? Setterfield Yes, there is. 'c', the speed of light, is… continue reading »

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Most people today think that geologists have proven the earth and its rocks to be billions of years old by their use of the radioactive dating methods.… continue reading »

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