Geometrical Optics: Snell’s Law PHY101 Lab 12 Date: July 23rd‚ 2012 Objective: The purpose of this laboratory activity is to develop a set of experimental procedures that answer questions regarding Snell’s Law and the index of refraction. Ultimately‚ the experimental procedures you develop will allow the index of refraction to be found for water and cooking oil. 1. Explain how to experimentally determine the index of refraction of two substances. 2. Develop a set of experimental
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Place the beaker in your lab drawer. 6. Answer question #1 for tomorrow. Read and prepare a data table for Day II. DAY II 1. Using your forceps‚ carefully remove the fragile copper jacket that is left from the penny. Rinse it gently in distilled water. 2. Dry the penny in acetone solution. Swirl the penny in the solution. 3. Pour the acid solution from your beaker into the waste container at the center table. Rinse and dry your beaker. 4. Take a magic marker and write your lab drawer number on the side
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Bubble Inside a Bubble Materials • • • • • • • • Granulated sugar (we had our best results using Imperial Sugar and Dixie Crystals) Dish soap Water Tablespoon Scissors Pipette Cup Adult supervision Bubbles form because of a combination of water’s hydrogen bonds and the oily film you can see shimmer in the light. The oily film you see is actually two separate layers of soap attached to‚ and surrounding‚ hydrogen-bonded water. Solar Oven S’mores Materials • Pizza box • Two clear sheet protectors
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BSC 2085C Anatomy and Physiology I Lab 1: Anatomical Orientation Directions There are three (3) activities in this lab. Please be sure to complete them all. For all questions‚ type your answers into the yellow box ____ (including your name above) it will expand as you write. Activity 1: Anatomical Orientation Go to the website: University of Michigan: Medical Gross Anatomy[->0] Choose the link to the Learning Module entitled Anatomical Orientation. Read the 9 pages and answer the
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Materials: To complete all steps and smoothly complete the lab we first needed an almond‚ which what will be burned to find the energy and calories. Next we needed a paper clip to straighten out and put the almond on as a safe and efficient way to burn the almond. A scale and small aluminum-weighing dish were needed as well to weigh out the almond and paperclip. The lab also required a graduated cylinder‚ test tube‚ distilled water‚ thermometer‚ a Bunsen burner‚ a sparker‚ a calorimeter and safety
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in the 20% solution. 7. Average the molar masses you calculated in questions 3 and 6. 8. The formula for antifreeze is C2H6O2. Calculate its molarmass using the periodic table. 9. Calculate your percent error. Conclusion: This lab was a phenomenal success! The purpose of determining the freezing points of water‚ 10% antifreeze‚ and 20% antifreeze was not only accomplished‚ but also done so in a splendid manner. The net figures of our experiment were less than 5°C off from the
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Kyara Santos Lab Questions: 1.Describe some of the influence of Latin music in the US in the early part of the twentieth century.Latin music started a new type of music‚ Jazz and Afro-Cuban Jazz. 2.What was the significance of "Machito and His Afro-Cubans"? “Machito and His Afro-Cubans” created Afro-Cuban Jazz. 3.How did Dizzy Gillespie incorporate Latin music into his music? Gillespie invited a player named Chano‚ who was from Cuba‚ and they worked together. 4.What was
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Biology 103 Lab Spring 2013 Does a larger head mean higher intelligence? Introduction: Some say a larger head gives room for a bigger‚ more intelligent brain. Men‚ thought to have larger heads simply because they’re… well men. In which case‚ men have a larger head size than women‚ therefore making men smarter than women. Methods: My partner and I went ahead and measured the heads of 15 people in our class‚ 5 of them male and 10 of them female. We used a measuring band to measure‚ to
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simple mechanisms used to convert rotary motion into oscillating linear motion and vice-versa. The first of these is the slider-crank - a mechanism widely used in engines to convert the linear thrust of the pistons into useful rotary motion. In this lab we will measure the acceleration of the piston of a lawn mower engine at various speeds. The results exemplify a simple relation between speed and acceleration for kinematically restricted motions‚ which will discover. An adjustable slider-crank apparatus
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Effects of Crossing Over in Sordaria fimicola Abstract Sexual reproduction in organisms is a cause for genetic variation. This can be seen through the process of meiosis in Sordaria fimicola because of the effects of crossing over and independent assortment that occur in meiosis I. Before performing this experiment we hypothesized that we would be able to see that crossing over did indeed occur in the S. fimicola. We tested our hypothesis by growing our own culture and observing it under a
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