The pH Scale
Descrizione
Introduces the pH scale from 0 to 14 with a color-gradient bar and real-world substance examples. Explains the logarithmic relationship between pH and hydrogen ion concentration, and animates how Hโบ concentration changes across the scale.
The pH Scale
Description
Introduces the pH scale from 0 to 14 with a color-gradient bar and real-world substance examples. Explains the logarithmic relationship between pH and hydrogen ion concentration, and animates how Hโบ concentration changes across the scale.
Phases
| # | Phase Name | Duration | Description |
|---|---|---|---|
| 1 | Title | ~3s | Title appears |
| 2 | pH bar appears | ~5s | Gradient bar 0โ14 with tick marks fades in |
| 3 | Acidic zone | ~5s | 0โ6 region highlighted red; "Acidic" label; Hโบ = high |
| 4 | Neutral zone | ~4s | pH 7 highlighted green; "Neutral" label; pure water |
| 5 | Basic zone | ~5s | 8โ14 region highlighted blue; "Basic/Alkaline" label; Hโบ = low |
| 6 | Substance placement | ~8s | Lemon juice, coffee, water, baking soda, bleach placed on scale |
| 7 | Hโบ animation | ~5s | Hโบ ion dots appear/disappear as pH marker moves |
| 8 | Formula display | ~4s | MathTex pH = -log[Hโบ] shown with brief explanation |
| 9 | Outro | ~3s | Summary |
Layout
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โ The pH Scale โ โ title
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโค
โ โ
โ [Red โ acidic โโโโโโโ neutral โโโโ basic โ Blue] โ โ pH gradient bar
โ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
โ โ
โ ๐ 2 โ 5 ๐ง 7 ๐งช 9 ๐งด 13 โ โ substance labels
โ โ
โ pH = -log[Hโบ] โ โ formula
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
Area Descriptions
| Area | Content | Notes |
|---|---|---|
| Top | Title | Fades in |
| Center | Color gradient pH bar with tick marks | Rectangle segments colored acidโneutralโbase |
| Below bar | Substance icons and labels | Placed at correct pH positions |
| Bottom | LaTeX formula | pH = -log[Hโบ] |
Assets & Dependencies
- Fonts: LaTeX / sans-serif
- Colors: Acid end = #e63946 (red), Neutral = #57cc99 (green), Base end = #4361ee (deep blue)
- Manim version: ManimCE 0.19.1
Notes
- Build the gradient bar as ~14 colored rectangles interpolated from red to green to blue
- Substance labels appear with a FadeIn from below
- Hโบ concentration bubble changes size logarithmically
Pubblico: High SchoolCategoria: Chemistry