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This series of chemistry stations is designed to accompany the PBS documentary about African-American chemist "Percy Julian: Forgotten Genius." Each of the six stations features either a chemical or p
The Proof is in the Powder
In this activity, learners will design a way to identify a powder found at a crime scene by comparing it with known powders, with the goal of solving a crime.
Checking For StarchAdd to list Details
In this chemistry activity (page 3 of the PDF), learners will observe a chemical change, specifically what happens to iodine when it is applied to ripe and unripe apples.
Plaster of ParisAdd to list Details
In this activity (page 6 of the PDF), learners will observe both a chemical and a physical change.
LEGO® Chemical Reactions
This activity uses LEGO® bricks to represent atoms bonding into molecules and crystals. The lesson plan is for a 2.5 hour workshop (or four 45-minute classes).
Ziptop Bag Chemistry
In this chemistry activity, learners perform three chemical reactions in a sealed zip-top bag. Learners will record their observations and classify the changes as chemical or physical.
Atoms and Matter (K-2)
In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again.
The Pressure's OnAdd to list Details
In this chemistry activity, learners explore chemical reactions and their effects, including the kind of reaction in the human body that makes people burp!
ChromatographyAdd to list Details
In this activity (page 3 of the PDF), learners will observe a physical change.
Send Secret Messages
In this activity, learners write a secret message in "invisible ink" and then use chemistry to view the writing.
Edible InkAdd to list Details
In this chemistry activity (page 6 of the PDF), learners observe a chemical change. Learners write and reveal a secret message using edible ink.
Paint a FrescoAdd to list Details
In this activity on page 7 of the PDF, learners experiment with the interesting designs that can be made by painting on plaster.
Finding the Carbon in Sugar
In this activity about combustion and energy, learners observe a burning candle in a sealed jar and the burning of white sugar.
Hot & Cold
In this activity, learners experiment with hydrogen peroxide, vinegar, yeast, and baking soda to produce hot and cold reactions. Use this activity to demonstrate exothermic and endothermic reactions.
Conservation of Mass
This activity was designed for blind learners, but all types of learners can participate to learn about conservation of gas. This is one of the classic experiments using baking soda and vinegar.
Avi's Sensational Salt DoughAdd to list Details
In this activity on page 5 of the PDF, learners mimic the process for making bricks. Learners shape and bake creations from a dough that is made from flour, salt, and water.
Magic Colored MilkAdd to list Details
In this chemistry activity (page 5 of the PDF), learners will use milk and a few other basic ingredients to create a chemical change to make a color wheel.