⚗️Understand Acids and Bases: pH Without the Confusion
Stop memorizing pH values and start reading them. By the end, you'll explain why lemon juice is 1,000 times more acidic than black coffee — and mean it.
Phase 1The Hidden Logic of the pH Scale
Map household liquids onto a real proton scale
pH measures protons, not 'sourness'
6 minpH measures protons, not 'sourness'
A pH change of 1 means 10x more acid
6 minA pH change of 1 means 10x more acid
Bases aren't 'opposite' — they're proton sponges
6 minBases aren't 'opposite' — they're proton sponges
Every pH chart is hiding a story
7 minEvery pH chart is hiding a story
Phase 2Powers of Ten Without a Calculator
Convert pH to concentration using powers of ten
pH is just the negative exponent
6 minpH is just the negative exponent
Subtract, then power up
6 minSubtract, then power up
Build the conversion reflex
6 minBuild the conversion reflex
Diluting acid by 10 only moves pH by 1
6 minDiluting acid by 10 only moves pH by 1
The 60-second pH challenge
7 minThe 60-second pH challenge
Phase 3Acids and Bases in Oceans and Cells
Trace acid-base balance through oceans and cells
The ocean dropped 0.1 — and corals are dying
7 minThe ocean dropped 0.1 — and corals are dying
Your blood guards 7.35 to 7.45 with its life
7 minYour blood guards 7.35 to 7.45 with its life
Plants choose their own pH — and they're picky
7 minPlants choose their own pH — and they're picky
Your stomach runs at pH 1.5 on purpose
7 minYour stomach runs at pH 1.5 on purpose
Phase 4Teach the 10x Rule in Five Minutes
Teach the 10x rule to a total beginner
Teach the log scale to a total beginner
8 minTeach the log scale to a total beginner
Frequently asked questions
- Why is a pH change of 1 actually a 10x change in acidity?
- This is covered in the “Understand Acids and Bases: pH Without the Confusion” learning path. Start with daily 5-minute micro-lessons that build from fundamentals to hands-on application.
- What does the H in pH actually stand for?
- This is covered in the “Understand Acids and Bases: pH Without the Confusion” learning path. Start with daily 5-minute micro-lessons that build from fundamentals to hands-on application.
- Why is pure water pH 7 and not zero?
- This is covered in the “Understand Acids and Bases: pH Without the Confusion” learning path. Start with daily 5-minute micro-lessons that build from fundamentals to hands-on application.
- How can bleach and lemon juice both sit at extremes on the same scale?
- This is covered in the “Understand Acids and Bases: pH Without the Confusion” learning path. Start with daily 5-minute micro-lessons that build from fundamentals to hands-on application.
- Is rain really acidic, even when it's not 'acid rain'?
- This is covered in the “Understand Acids and Bases: pH Without the Confusion” learning path. Start with daily 5-minute micro-lessons that build from fundamentals to hands-on application.
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