Energy efficiency involves the use of technology that requires less energy to perform the same function. Solar this is the conversion of sunlight into electrical energy using mirrors and boilers or photovoltaic cells, commonly seen on house roofs. Energy efficiency students explore data from the energy information administration eia on electricity flows and electricity consumption in the united states. Then, they will look at illustrations and match the type of energy that goes with the picture. Law of conservation of energy worksheet after reading ch. Energy transfer and conversion methods mit opencourseware.
Apes worksheets per unit powered by oncourse systems for. Ks3 energy in the home homework worksheet worksheet. This means that less than 30% of the chemical potential energy of the coal is transformed into electrical energy. Energy conservation includes any behavior that results in the use of less energy. A stretched rubber band, a ball at the top of the stairs, etc. Energy crisis and energy alternatives with population growth comes increased usage of energy. A spring is stretched 6 cm when a mass of 200 g is hung on it. Calculate the work done by a 47 n force pushing a 0. Department of energy s office of energy efficiency and renewable energy. Thermal efficiency coefficients for calculation of useful energy balance. Energy consumption in the united states is extraordinarily high. Have your fifth graders learn more about this topic with this science worksheet.
After reading an article on energy, john immediately decides to replace all incandescent light bulbs in his. Energy alternatives cloze worksheet qld science teachers. Most of the energy losses of electricity generation come from conversion losses. First, students will read an informative passage on the importance of energy. Construct a system that makes at least two energy conversions and explain this to your counselor. The power of an electrical appliance tells us how much. Worksheet on calculations using the efficiency equation. Make a list if you dont know the word in english, you can draw a picture. A consumer uses a 6 kw immersion heater, a 4 kw electric stove and three 100 watt lamps for 10 hours. The energy used is constant so a tv will use double the amount of energy in two hours as it will in one hour. Remember that no energy transforming device is 100% efficient.
Process efficiency worksheet large industrial prep worksheet minnesota colorado utility system present yn brief description previous studies audits known opportunities operating schedules major equipment sizes issuesconcerns 6. The diagram shows that the generating sources have 40. Energy skate park simulation worksheet phet simulation 5. A compact fluorescent light bulb that uses less energy to produce the same amount of light as an incandescent light bulb is an example of energy efficiency. Its a crucial part of physical science that we depend on every day.
Susanne bohler, meike spitzner introduction the term energy efficiency is interpreted differently in national and international literature as well as in various scientific disciplines. Mar 10, 2020 2018 wsecr effective date delayed to nov. An average australian uses about 24 mj of electrical energy per year. April 2, 2020 as part of governor inslees proclamation to delay the implementation of the washington state building code, the implementation date for the washington state energy coderesidential has been delayed from july 1, 2020, to november 1, 2020. Energy and efficiency worksheet mr jeffs secondary science 1. Energy efficiency worksheet show all calculations with units 1. Electric drill 160w kinetic 90w sound 30w heat 40w hair drier 180w heat 170w sound 10w mobile phone charger 1w 0. Remind students to take note of the appliance information tags that are easily accessible. Suggest two ways in which energy would be lost in this kind of power station. This educational material is brought to you by the u. Practice that may involve parents or guardians e scavenger hunt. We can see it as light, feel it as heat, and hear it as sound.
Give students worksheets for home energy audit and assign the audit as homework. Microsoft word 2009 residential energy efficiency worksheet 2. Students will be able to explain the purpose of electrical energy, identify different forms of energy, and define, explain, and list forms of kinetic and potential energy. What would happen to the fuel mix for electricity generation in 2015 and beyond. Now complete the table below, calculating the efficiency as both a number and a percentage. An oven consumes 425 kwh of energy in order to provide 386 kwh of useful energy. Energy calculation worksheet 2 you will use the information on this page and the results from counting the squares on the city grid to determine the energy, cost, and carbon footprint of the lights from this city. Employing these, the useful energy balance sheet is able to present a fifth category of. Electrical appliances at home transfer energy from the mains supply to heat and light our homes as well as to operate our appliances such as tv, microwave and computers etc. If a spring has a spring constant of 2 nm and it is stretched 5 cm, what is the force of the spring. Coyote puts 3402 j of energy into the pulley while the pulley does 2938 j of work. Energy and efficiency worksheet mr jeffs secondary. The working definition, which will be presented here. Department of energys office of energy efficiency and renewable energy.
This energy comes at a high cost in alaska, especially during the cold winters. How is potential energy different from kinetic energy. Energy efficiency coefficients united nations statistics division. Energy resources and power stations what are energy resources. Finally, here we quantify efficiency and show why some energy conversion devices are more efficient than others. Energytransformations 0 energycan%change%fromone%type%to. One gallon of water weighs 8 lbs and btus are calculated by. A larger efficacy means the bulb is more efficient. Coyote sets up a pulley to lift a gigantic boulder over a valley highway in an attempt to squish the roadrunner. Students find 5 things in their home that have potential energy and list themathom on a sheet of paper. Another name for a unit of energy what the aerobic system uses for fuel bodily process where glucose is broken down. The efficacy is related to the efficiency, but they are not the same thing. If you are claiming the nonbusiness energy property credit on both a 2018 and a 2019 form 5695, complete your 2018 form 5695 first as there is a lifetime limitation on the credit itself and on window expenses.
This will depend on how your region produces electricity. Definitions, units of measure and conversion factors. If the roller coaster starts at the top of the first hill from rest, describe what will happen to the rollercoaster. Each conversion step reduces efficiency maximum work output only occurs in idealized reversible processes all real processes are irreversible losses always occur to degrade the efficiency of energy conversion and reduce workpower producing potential in other words in other words you cant win or even you cant win or even. Energy conservation and energy efficiency are both ways. Efficiency is the ratio of the amount of useful energy produced energy output eout to the amount of energy used energy input ein, expressed as a percentage. Wsu energy program building efficiency energy code. Using the data, students propose how electricity generation and use can be made more efficient. What would electricity consumption be in 2015 and beyond.
You can take the quiz to discover how much you know about. In this worksheet, students will learn how energy can be saved and used efficiently as well as the calculation of efficiency. Hydro hydroelectricity is made with dams that block a river to collect water. Calculate the work done by a 47 n force pushing a pencil 0. A simple worksheet for pupils to do in class or at home. Energy cost efficiency worksheet enter estimated savings only for the energy measures which the producer has made application to implement in the schedule of operations. Defining energy efficiency wolfgang irrek coordination stefan thomas with support from. Energy efficiency in building electrical systems 8.
Learn about renewable and nonrenewable forms of energy. A television that is 83% efficient provides 4 600 j of useful energy. Show you understand energy efficiency by explaining to your counselor a common example of a situation where energy. Use this worksheet to check understanding or to reinforce teaching and learning of energy in the context of a home, including understanding energy bills. Select as many choices as you need to for your prediction. Appendix 1 calculating efficiency and energy use this worksheet is useful for summarizing motor information and using it to calculate the efficiency and energy use in order to assess equipment. Energy resources student worksheets susana amoros ortega 1 ies torre vicens lleida lesson 1.
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