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In this activity, learners test to see if carbon dioxide is present in the air we breathe in and out by using a detector made from red cabbage.

In this chemistry challenge, learners combine acids and bases in a universal indicator to create five different colors.

In this field study, learners discover how to collect data in the field and how their efforts can help certain animals, specifically, amphibians.

"What's in the Water" lets participants use tools to solve the mystery- what chemicals and compounds are in a sample of water?

What is the optimal environment for hatching brine shrimp? Using a scaffold, learners design and conduct experiments testing the effect of a single abiotic factor on brine shrimp cyst hatch rate.

In this chemistry activity (page 5 of the PDF), learners make an acid-base indicator using cabbage. Learners then explore how various subtances react with this indicator.