Conduct investigations to identify characteristics of gases, and learn about the gases that make up our atmosphere. Explore features of solids, liquids, and gases while noticing that substances can ...

Download the experiment instructions HERE! Let’s learn about the properties of liquids and solids: Solids are not compressible, they’re rigid, they don’t flow, and their particles are packed close ...

Though Earth's innermost core is solid, new research suggests that it hosts a lot of variation. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Your science textbook likely told you that matter exists in four states. You know them as solid, liquid, gas, and plasma. For generations, this understanding formed the foundation of physics. Now, a ...

Oobleck has long been my favorite example of a non-Newtonian fluid, and I’m not alone. It’s a hugely popular “kitchen science” experiment because it’s simple and easy to make. Mix one part water to ...

That solid iron inner core of Earth may still hold liquid iron, according to a new study from the University of Utah. Scientists have used seismic waves to research Earth’s inner core, uncovering a ...