Curated OER
Phase Changes of Water
A micro-unit on the phase changes of water includes three laboratory activities. Junior scientists compare the densities of ice and water, and then they do the same for cold and warm water. They examine freezing and boiling temperatures....
Curated OER
Fingerprinting Lab
Students recover latent prints by iodine fuming, cyanoacrylate fuming, and dusting with powder, after a lecture/discussion on fingerprinting techniques. They each provide a fingerprint for identification by another student. A database of...
Curated OER
A New Phase In Town
Middle schoolers explore heat energy and how it is used to change the phase of matter, and discover that temperature does not increase or decrease until the phase change is complete. This extremely well-written plan is packed with great...