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 ...

Build literacy skills while making predictions with this sink-or-float activity. It's fun to learn about new concepts in a hands-on way. This family does just that with a sink-or-float activity you ...

Will it sink or float? The floating egg experiment is a simple and fun way for kids to get scientific at home this summer - and there is barely any mess, so it's good for parents, too! The experiment ...

Some objects float in water and other sink. But did you know that you can change whether something floats or sinks by adding a substance to the water? Let's try it and see! Pour water into a cup until ...

A simple sink or float activity is a beginner science experiment that introduces young learners to the properties of density and buoyancy. An unpeeled orange floats while a peeled orange sinks.

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 ...

Introduction If you’ve ever washed dishes, you know the right dish soap can make a dirty job a lot easier. Have you ever wondered how dish soap is able to clean dishes so much more effectively than ...