American Chemical Society
What is Density?
Density: the reason a giant pumpkin will float, but a tiny cranberry won't. Lesson begins with a demonstration of two of the same-sized cubes having different densities. Then pupils take eight cubes, each of the same size, and have to...
NASA
Decomposers Get Energy From Dead Things
When life gives you mold, make penicillin. Scholars design an inquiry experiment to determine what causes rotting and mold growth. It also covers decomposers and the important role they play for other living things.
Science 4 Inquiry
The Real Story of Where Babies Come From
Pupils learn about both male and female anatomy before understanding how they work together to make a baby. Scholars discover new vocabulary, create a presentation on fertilization, and discuss related topics.