VOICEOVER: Let's play Solid Liquid Gas. ANTON D'EQUE: Welcome to Solid Liquid Gas. Where our contestants decide if something's physical state is solid, liquid or gas. Let's meet today's contestant.

We all know from middle school science class that matter changes between a solid, a liquid, and a gas when you change the temperature or pressure acting on it. (Yes, some elements will change directly ...

Students are introduced to the idea that matter is composed of atoms and molecules that are attracted to each other and in constant motion. Students explore the attractions and motion of atoms and ...

Imagine you’re eating dinner. You try to pour some ranch dressing onto your plate to dip your veggies into. You tip the container upside down, but nothing comes out. Seems like a solid. So you shake ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...