Maryland Department of Natural Resources
Eyes on Dissolved Oxygen
Learn about the factors that affect the way oxygen dissolves in salt water with a chemistry lab. After studying the molecular structure of water, young scientists figure out how aeration, temperature, and organic waste affect dissolved...
Frederick Moleski, Ph.D.
Blood Spatter: Bloodstain Analysis Experiments
It may be gruesome but somebody's got to do it! Young forensic scientists get a feel for what the job entails as they study blood spatter in seven experimental activites. They examine how spatter can be changed by release height,...
Curated OER
M&M Science and Math
A series of math and science activities feature M&M's® as manipulatives to help kids work through equations. The resource includes exercises on finding averages, percent of compositions, moles in chemical reactions, genotypes and...
Central Bucks School District
Igneous Rocks Lab
Searching for a simple igneous rocks experiment to assist pupils with rock classification based on texture and composition? In the activity, pupils view multiple rocks in various ways to determine texture and composition. They then...