10Science-Green & Rainbow Challenge

Green and Rainbow challenges

A: Green challenge:

Take a test tube and fill with "two fingers" of the base. Now see the teacher for three drops of universal indicator. Now add the acid

Observations:

1. When we added the universal indicator to the base the colour changed to blue.

2. When the solution was neutralised the colour changed to green

The most difficult thing about this challenge was trying to balance the acid and base as it had too have the exact amount of atoms for each.

B: Rainbow challenge:

Take a test tube, the base and the acid and universal indicator and create a the best rainbow in a test tube you can manage.

Put a photo of your rainbow in a test tube here: