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 ...

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 ...

What: Earlier this summer we learned about density. Density is the amount of mass in a given volume, or amount of space. Mass is dependent on the number of molecules in an object. Objects that are ...

Challenge children to predict whether the object will float or sinkin a trough of water using what they find in the garden. Encourage them to explore and examine each object, describing it with STEM ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hi, I'm Diana. Great to be here with you today. I was wondering why is it that a golf ball and a ping ...

Adam Sherwinski shows ciLiving host, Jaclyn Friedlander how to make a 3-layer float to test the density of each liquid In this fun and easy science experiment, we’ll show you how to make a three-layer ...