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Physics- 2426 Lab - Project - 3 When NASA examines the energy use, It groups the 385 different Kennedy Space Part: B Light Fixtures and Lamps: Utilities and Energy use Centers and Cape facilities Into types, examines their energy needs, and Exercises: identifies savings that can be achieved. These facilities range from cement pads The objective of this exercise is to find the total number of watt-hours with fences around them (garbage collection centers) to Launch Control Centers used per day by lighting fixtures and lamps in the home with given Part. A Reflecting on Energy Use: and Research Labs. floor plan. Complete the following stops and record your information in Utilities provide the source of energy like electricity, natural gas, fuel Exercises: the table. oil that make ourhomes recreational facilities, offices and stores comfortable for human use. Answer the following questions based on your lifeexperience: What types of buildings are you in during the day? Think of all different activities Complete the table given on page 5, using information from the diagram you do each day. Possible examples are school, grocery store and home. on page 4. If you need more rows you may add. 1. Have you or your parents ever complained about a utility bill? Locate, identify, and count the type of each light bulb in the building and its wattage. Record your findings in columns (1) and (2) of your table. 2. Have you or your parents weatherized your home or called a utility company to request an energy auditf C. B. Group the types of buildings into 3 or 4 categories. Estimate a reasonable number of hours that each light fixture is used in 24 hour period, and record your estimates in column (3) of yourtable. Calculate the watt-hours used by each light fixture, and record your result in 3. Assume that you are searching for an apartment. Would you ask who pays the column (4). utility bills or what you should expect to pay for utility? e. Record the total number of watts used in a 24 hour period in the bottom cell of 10. Explain why you have grouped certain types of buildings together? column (4)- 4. Is someone at your place of work or at your college trying to cut the cost of energy? Now select a building type such as school, home or work place, and 5. Do you turn off the lights when you leave a roomt respond to the following questions: 11. What types of energy are used in your building type? 8. Have you noticed motion sensor lights in your college or work place? 12. What are the possible energy saving sources? 7. Do you have the water running while you wash dishes? You will now do activities and exercises designed to give you an appreciation of an energy saving project. Instead of going out and collecting data from actual buildings, you will ohtain information about energy usage from the diagrams on the next page. 3 695 words DO Text Predictions: On Accessibility: Investigate " Focus E MonLight Fixtures and Lamp: The objective of this exercise is to determine the total energy cost for certain time Floor Plan of a House Light fixture Watts Hour per Wat -Hours for the light fixtures and lamps in the house that you have considered. or lamp dary per day Bathroom 160 Electricity is sold by the kilowatt - hour; (KWh). What does this prefix kilo mean? Kitchen. fluorescentlight 4bulboHOW C 4 How can we change watt - hours to kilowatt - hourst Living Room O What is the total cost of one day's lighting if the cost of electricity is 0.05 per kWh? moand Floor d. Find an electric utility bill or call your local electric company and find the cost per kilowatt - hour for your electricity. O TO e. Compare your cost to the NASA figure of 0.06 perkWh. O A 12 F. Use the cost per kilowatt - hour of your local electricity to find the total cost of O lig Ming the house for one whole year. 15 O Reading lamp - 1 bulb (75 W each) Fluorescent light - 4 bulbs (40 W each) 9. Explain any assumption you make in estimating the cost per year. 17 Legend: Table lamp - 3 bulbs (60 W each) 18 Floor lamp - 1 bulb (130 W each) Recessed light fixture - 4 bulbs (75 W each) Ceiling light fixture - 4 bulbs (60 W each) Total NASA - AMATYC - NSF 12. 7