Education Development Center
What's Cooking? Water
What a fresh approach to learning about water! Chef Jamika Pessoa explains the chemical composition of this vital compound, what happens when heat is added or removed, and how much water is contained in different organs and...
Curated OER
Chemistry Chemical Reactions
See a science experiment in action. These 9th graders explain what happens when a catalyst is introduced into a compound. They demonstrate their explanation by mixing baking soda, calcium chloride and phenol red. The chemical reaction...