The greek letter eta the one that looks almost like an n represents your energy efficiency.
Energy efficiency calculations ks3.
W represents the amount of work or energy in units of joules.
Modern energy saving lamps.
This resource is designed for uk teachers.
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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.
But a good starter resource thank you.
Start by looking over the light pollution and energy poster.
Also links in with other areas of p1 3 other than energy efficiency.
Fuel bills show energy used in kwh and the cost of this can be calculated if the cost per kwh is known.
Fuel their learning with a little beyond in your teaching tank.
Energy is measured in j and kj.
Different types of e.
The efficiency of a device is the proportion of the energy supplied that is transferred in useful ways.
A simple worksheet for pupils to do in class or at home.
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.
Part of the aqa p1 3 syllabus.
Then do the calculations on sides 1 and 2 of the mats.
Power is the rate of using energy and is measured in w and kw.
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.