This science challenge shows a surprising color-changing reaction using bleach and simple materials. The quick experiment ...

👉 Watch the video of Sarah’s school science experiment here! Hello parents, teachers and students! If you’re looking for fun way to explore chemistry with you middle-school aged kiddos, this ...

Not all poisonous gases have a smell or a color. But a tiny grid of pastel- and candy-colored squares that effectively “sniffs” out hazardous chemicals in the air such as chlorosarin — a highly toxic ...