It makes sense that a balloon filled with a lightweight gas such as helium would float when surrounded by heavier air. But why does filling a huge balloon with hot air also make it float? This ...

Students will be able to explain that the density of a substance has to do with how heavy it is compared to the size of the object. Students will also be able to explain that density is a ...

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 idiom “whatever floats your boat” might be the motto for eighth-graders at Gilmour Academy’s Middle School. The students learned to master the physics of floating with boats they designed when ...

GATES MILLS, Ohio— The phrase, "Whatever floats your boat" had unique meaning during Gilmour Academy Middle School's April 14 Boat Float event, in which youths in eighth grade participated. Gliding ...

This experiment tests how a boat behaves in a supercritical fluid, revealing surprising physics about density, buoyancy, and extreme states of matter. The Witcher Season 4 Trailer 20 very ...