It's About Time
Exploring Energy Resource Concepts
Please turn off the lights to conserve energy. Or not, after all energy is always conserved. This first lesson in an eight-part series includes three parts. Part A contains one hands-on activity and two inquiry-based experiments on heat...
Chymist
Alum from Waste Aluminum Cans
Turn aluminum cans into pickles! An engaging experiment has learners chemically change aluminum into a substance with many purposes including the manufacture of pickles. After performing the chemical conversion, the experimenters verify...
Nuffield Foundation
Identifying the Conditions Needed for Photosynthesis
Budding biologists often ask how scientists know what they do about different topics. In the lab described here, they have a chance to find out first-hand about the requirements for photosynthesis. Three sequential investigations are...