What to do
- Open the sim. Pick a liquid from the shelf.
- Read the pH and the H⁺ amount. Look at the indicator color.
- Record all six liquids.
Controls
Data table
| Liquid | pH | H⁺ (M) | Cabbage color |
|---|
Copy your table onto your worksheet. No device? Use the pH scale on the Reference Sheet and the Data Card on the Teacher Prep page. Fill in the table from the card.
Check yourself
Which liquid has the most H⁺?
Lemon juice (pH 2).
How many times more acidic is lemon juice than pure water?
7 − 2 = 5 steps. 10⁵ = 100,000 times.
Which liquids are bases?
Baking soda solution, soap solution and ammonia cleaner (pH above 7).
Try each question first. Then tap it to check.