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www.lltutors.net

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I was a school teacher for 22 years now run an Education company from home as well as working for exam boards and Head of Year in an online school. Some of my resources are for sale here. I am regularly updating this site, so if there is anything you would like to see and it isn't already there, do let me know and I will make it!

I was a school teacher for 22 years now run an Education company from home as well as working for exam boards and Head of Year in an online school. Some of my resources are for sale here. I am regularly updating this site, so if there is anything you would like to see and it isn't already there, do let me know and I will make it!
Errors and Uncertainties
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Errors and Uncertainties

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A powerpoint detailing what is meant by accuracy, precision, random, zero and systematic errors, and how to calculate uncertainties
Enzymes and Digestion
lanashermanlanasherman

Enzymes and Digestion

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Powerpoint detailing the role of enzymes in the digestive system, how they work, and also the role of the stomach in digestion
The Eye
lanashermanlanasherman

The Eye

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powerpoint summarising Edexcel B textbook but can be adapted for any exam board
Chemical tests AQA GCSE 4.8
lanashermanlanasherman

Chemical tests AQA GCSE 4.8

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A powerpoint summarising the gas tests, flame tests, metal hydroxides, carbonates, sulfate and halides - 2 very good video links in the powerpoint.
Particles part 2 A level Physics
lanashermanlanasherman

Particles part 2 A level Physics

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A powerpoint including: lepton number, charge, strangeness, baryon number, alpha and beta decay, electron capture, electron-proton collisions, Feynman diagrams, fundamental forces, kaon and pion decay, photons and energy levels, including a few exam style questions