Mixtures and Solutions: What They Are and How to Teach Them
Stir salt into a glass of water, and it seems to disappear. Stir sand into water, and it just sits there. Both are mixtures, but only one is a solution,…
Stir salt into a glass of water, and it seems to disappear. Stir sand into water, and it just sits there. Both are mixtures, but only one is a solution,…
Teaching properties of matter can feel abstract for students until they get their hands on it. When students test, observe, and question what they’re seeing, the concepts start to click…