The Bridge Star School 2 | Page 37

Spectrophotometre

Spectrophotometre is a method to

measure how much a chemical

substance absorbs light by measuring

the intensity of a beam of light

passing through a sample solution.

Experiment

Procedure:

Prepare your test cards

Cover the test cards with plastic wrap

Apply the sunscreen to the test card

If you are not already outside, gather all of your equipment and go outside at thise time .