Energy Efficiency Calculations Ks3

Electricity and magnetism activate ks3.

Energy efficiency calculations ks3.

It s multiplied by 100 to turn it. The efficiency of a device is the proportion of the energy supplied that is transferred in useful ways. But a good starter resource thank you. It would be nice to have some slightly more challenging calculations as all of these just lead you to efficiency gcse exsam questions will sometimes ask you to use a given efficiency to work backwards to the total energy input or the useful output.

The efficiency can be calculated as a decimal or a percentage. Start by looking over the light pollution and energy poster. Energy calculation worksheet 1 the quality lighting teaching kit s energy calculation worksheet use the worksheet with the four energy calculation mat posters or in place of the energy calculation mat. Energy is measured in j and kj.

Fuel bills show energy used in kwh and the cost of this can be calculated if the cost per kwh is known. The greek letter eta the one that looks almost like an n represents your energy efficiency. Power is the rate of using energy and is measured in w and kw. Different types of e.

Also links in with other areas of p1 3 other than energy efficiency. A simple worksheet for pupils to do in class or at home. Then do the calculations on sides 1 and 2 of the mats. Modern energy saving lamps.

Covering topics such as energy transfers energy resources and the calculation of fuel uses and costs in the domestic context your students will have everything they need to understand and learn all about ks3 energy. W represents the amount of work or energy in units of joules. Fuel their learning with a little beyond in your teaching tank.