Chemistry
Measuring PH value of a liquid
Determine the pH value of different solution samples.
Mission
Determine the pH value of different solution samples
Curriculum Alignment
| Standard | Syllabus code | Topic | Coverage | Grades | |
|---|---|---|---|---|---|
| NGSS | HS-PS1-11 | Investigate acid/base properties and behaviors — pH measurement | Full | 9–12 | |
| British / IGCSE | CAIE 0620 Topic 7 (Acids, bases and salts) | pH scale, indicators | Full | 9–12 | |
| IB | DP Chemistry Reactivity 3.1 | Proton-transfer reactions — pH measurement | Full | 11–12 | |
| CBSE | CBSE Class 10 prescribed practical — pH of various samples using pH paper/universal indicator | pH measurement of solution samples | Full | 10–10 | Prescribed practical |
| AERO / AP | AP Unit 8 (Acids and Bases) | pH and pOH of solutions | Full | 11–12 |
Variables
What you change
- The Solution
What you measure
- pH Value
What you keep constant
- The Temperature
- Solution Volume
- Solution Concentration
What You'll Need
- Arduino Uno
- pH Sensor Electrode Probe BNC
- I2C LCD
Estimated Time
Virtual mode 14 minTest mode 21 minExercise mode 19 min
Mind-Blowing Fact
I'll show you my true colors.
There is a flower named Hydrangea which changes colour based on the pH of the soil it is grown in. If the soil has a pH of 5.5 or less, a blue Hydrangea will sprout. If the soil has a pH value of 6.5 or more a pink Hydrangea will sprout. If the pH is between 5.5 and 6.5 then its color is purple.
How You Can Run It
Virtual modeTest modeExercise modeView-only modeAccessibility modeTobii eye trackingVoice commandsArduino integrationAmericanBritishIB