Energy Efficiency Worksheet Answers

This worksheet has been created with all abilities in mind and gets progressively more difficult down the worksheet. A computer that is 87 efficient consumes 375 kwh of energy. A television that is 83 efficient provides 4 600 j of useful energy.

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Also links in with other areas of p13 other than energy efficiency.

Energy efficiency worksheet answers. Efficiency is a measure of how much energy is used in comparison to how much energy is wasted. A simple worksheet for pupils to do in class or at home. C would you expect the overall energy efficiency of a hydroelectric power station to be higher than lower than or the same as that of a coal fired power station. Energy efficiency worksheet 1.

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. To convince or persuade us to use. Suggest two ways in which energy would be lost in this kind of power station. For input energy j example if the answer you get is 050 you can multiply by 100 and write your answer as 50.

In reality no process is 100 efficient. 4 it takes 42 j of heat energy to raisethe. 47 14 customer reviews. Part of the aqa p13 syllabus.

The answers have been provided. Spreadsheet prepared by the wisconsin department of commerce for applicants and recipients in local governments for funding under the us. Worksheet on calculations using the efficiency equation. Energy savings windows worksheet subject.

This worksheet is aimed at gcse students studying efficiency part of the energy topic. Efficiency is calculated by dividing the output energy by the input energy. How much useful energy does it provide. Department of energy doe energy efficiency and conservation block grant eecbg program that calculates energy savings from windows retrofit projects in buildings and that was presented at the doe technical.

Lesson 35 energy efficiency page 1 of 6 energy use and delivery lesson plan 35 energy efficiency this lesson is designed for 3rd 5th grade students in a variety of school settings public private stem schools and home schools in the seven states served by. The efficiency of the light bulb can be calculated using the following equation. For example if an old fashioned light bulb uses 100 j of energy it may change 10 j of that energy into light and the other 90 j is wasted as heat energy. Worksheet on calculations using the efficiency equation.

If output energy j efficiency you multiply the result by 100 you will get efficiency as a percentage.