Shell Elementary Sun Prints (cyanotype)

                                         Science through Art

Shell Elementary 3rd-5th grade classes visit the Hawthorne Branch Library monthly for hands on science curriculum support labs.  In March we discussed light energy and made these amazing sun prints!

                                         Sun Prints (cyanotype)

The paper is chemically treated with a compound that reacts with sunlight and that rinses off with water.  After sunlight causes the reaction, a new chemical is formed that does not wash away with water.  By placing shapes on the paper, we block the sunlight from reacting with the chemical in only those spots. When we rinse the paper with water, the chemical washes away from the shaded areas and the new chemical remains in the non-shaded areas: creating a white shape where the shaded area was.