Tools of Measurement
■What property of matter is measured by the following tools? –Balance- mass- grams –Ruler- length- meters –Thermometer- temperature- Celsius or Fahrenheit –Spring scale- force\weight- Newtons –Graduated cylinder- volume- liters ■What units do we use for each of the previous factors? Scientific Methods ■What is the purpose? –To solve problems ■Let’s listen to the song ■https://www.youtube.com/watch?v=2sKX20WhKS4 ■Variables –__Independent Variable______ affects___Dependent Variable_____ –What changes does the experimenter make?- Independent Variable Scientific Methods and EDP ■Engineers use scientific knowledge to develop technology. ■Steps of the engineering design process –Ask=research –Imagine, Plan = think of ideas –Create = build prototype and final product –Improve ■What are the two types of bioengineering technology? Assistive Bioengineering Technology ■It helps a person with a disability overcome a handicap ■Temporary changes ■Examples? –Hearing aid –Crutches –prosthetics Adaptive Bioengineering Technology ■Permanent changes ■Examples –Laser eye surgery –Ethanol a biofuel made out of corn –Cochlear implant –Skin grafts –Genetic modification Unintended Outcomes of technology ■Results or uses of technology not part of the engineering design –Coal was originally intended to be used an inexpensive method of producing electricity compared to other sources. ■Positive and negative outcomes –Negative consequence of coal? –Using ethanol increases the cost of corn –Cell phones causes distracted driving –Refrigerators releases Chlorofluorocarbons Essays....You will have to pick two essays when you take the test. Each essay must have a minimum of 3 to 5 sentences. ■Explain how to calculate the volume of a marble with a graduated cylinder. ■Explain the steps of the scientific method. Additionally, explain whether or not they must always be completed in the same order. ■Describe the intended benefit, negative unintended consequences and positive unintended consequences of refrigerators. ■Describe the difference between assistive and adaptive bioengineering technology. Provide at least 2 examples of each. Comments are closed.
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AuthorMrs. Webster Archives
November 2016
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