Free KCSE Chemistry & Physics Notes

Written by a South Eastern Kenya University Teacher Trainee

I'm Lewis, 4th year BEd Science at SEKU. I wrote these notes while studying to taking care of my siblings. Moles, Titration, Organic Chemistry — all free. No paywalls. No sign-up required. Just a future teacher helping students pass.

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Physics Notes

Free KCSE Physics notes — Mechanics, Waves, Electricity, and more.

Chemistry Notes

Moles, Titration, Organic Chemistry — written by a teacher trainee.

Simulations

Interactive science experiments — Titration pH, Waves, Circuits.

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Daily Science Challenge

PHYSICS MEDIUM

Sketch the input and output waveforms for a full-wave rectifier.

A
Input: sine wave; Output: both half-cycles positive (pulsating DC with frequency 2× input)
B
Input: sine; Output: sine
C
Input: square; Output: sine
D
Output: negative only

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