A dish of white powder…

And a drop of sour lemon. What will happen?

2

A pile of white powder and a drop of sour lemon.

white powder sour lemon
3

The lemon drop is right over the powder…

4

Tap to tip the dropper and make a drop wobble!

Tap the dropper — watch the yellow drop swell.

5

Pour the lemon on the powder. Will it FIZZ or just SIT?

Tap your guess!