Visions of the Universe Lab
Visions of the Universe Lab ISP 205L
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This 1 page Class Notes was uploaded by Ms. Mckenzie Labadie on Saturday September 19, 2015. The Class Notes belongs to ISP 205L at Michigan State University taught by Staff in Fall. Since its upload, it has received 129 views. For similar materials see /class/207736/isp-205l-michigan-state-university in Integrative Studies Physical at Michigan State University.
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Date Created: 09/19/15
Study Guide Lab Exam 1 Lab Exam 1 will consist of two free response questions similar to those you have been answering in your lab reports ten multiple choice or short answer questions and one exercise with uncertainty There will be several different forms of the exam We highly recommend studying the labs ahead of time to remind yourself of what you did in those labs and to make sure you understand the key ideas If you don t understand something about the labs please contact one of your instructors with your questions The uncertainty section will have you step through the process of calculating the uncertainty in a calculation You will need to know how to find uncertainty and percent uncertainty for measurements as well as uncertainty and percent uncertainty for calculations Below are some sample free response questions The overall set of questions will give you an idea of what the exam will be like and how to study for it Some of these questions may be used on the actual exam and some questions on the exams may not be in the list below but will also address key aspects of the labs p n In the planetarium we determined Earth s circumference by observing the altitude of the Sun at noon in Lansing and Atlanta Explain why we made the measurement at noon and not at some other time of day Draw a picture to help support your answer N Suppose it is March 21 the first day of spring and it is a sunny day in Lansing You have a agpole ruler and a clock with you and you want to determine the circumference of the Earth How can you determine the altitude of the Sun in Lansing using these tools Draw a diagram Knowing that Lansing is 4700 km from the equator and the Sun is directly overhead on the equator at noon along with the altitude of the Sun describe how you can determine the circumference E In class we measured the distance to a tree by measuring angles from two different locations that were around 180 feet apart Suppose those two locations had been 18 feet apart How would that have affected the uncertainty of the distance measurement Would the measurement have been more precise or less precise Explain your reasoning 4 Explain why people needed to know Earth s size before they were able to make the first measurement of the distance to Venus using parallax 01 In class we measured the distance to stars in Orion using star maps made six months apart Why are parallax measurements of the distances to stars most accurate if the measurements are made six months apart Suppose that instead we used star maps made one year apart How would that have affected our
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