Most substances can exist as a solid, liquid or gas. They can change state, usually when they are heated or cooled. For example, liquid water turns into water vapour when it is heated enough ...

Unlike solid-liquid or liquid-gas transitions, this transformation is less intuitive. It involves differences in density and molecular organization between the two phases. In water's case ...

After viewing a model of salt, students help develop models for the processes of salt dissolving, water evaporating to form a gas, and salt re-forming as a crystal. The focus is that matter, whether ...

Researchers have detailed the physics behind a phenomenon that allows them to create spin in liquid droplets using ultrasound ...

Does it feel like a solid, liquid, or gas? Leave the shaving cream blob out overnight ... Place 2 tablespoons of corn starch and 1 tablespoon of water in a cup. Slowly mix with a popsicle stick. If ...

Water is a unique compound that is essential ... heat associated with the transition between solid, liquid, and gas phases pedosphere: the outer layer of the Earth's surface that is composed ...