CASCADE, Mich. — Looking for a fun activity to do at home with your kids? This science experiment is fun for all ages and teaches how oxygen and carbon dioxide have different densities! Meteorologist ...

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 ...

When we talk about density, we refer to the amount of space an object or substance takes up (volume) in relation to the amount of matter in that object or substance (mass). We work it out by dividing ...

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 ...

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 ...