Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

The Science Siblings recruited 4-year-old Tukker and 2-year-old Jayger for a density experiment using fruits and veggies.

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Why does ice float in water, instead of sinking to the bottom? It has to do with water's density and molecular structure. When you purchase through links on our site, we may earn an affiliate ...

But what does that mean? The simple answer is how heavy something is for its size. If something seems very heavy for its size (like a heavy metal object), we say it is more dense. If something seems ...

Liquid water’s crystal structure (left) compared to that of ordinary water ice (right). Graphic: University of Cambridge If you thought ice varieties got no more interesting than crushed versus cubed, ...