Science demo in the lab verse in front of the class A video showing that demos do not always go as planned. Titration curves and calculations Explains titration equations and calculations. What color ...

WHEATON, Ill. (AP) — A former chemistry teacher at a suburban Chicago high school has been convicted of reckless conduct for a 2018 incident in which he poured liquid nitrogen on a student during a ...

YORKTOWN HEIGHTS - PVC pipe, duct tape, zip ties, screws, small buoy floats and motorized propellers — these were the materials science teacher Patrick Burke handed his class to make underwater ROVs, ...