Substances can exist in three states of matter - solid, liquid and gas. All substances are made from particles, and the forces between the particles are different in solids, liquids and gases. The ...

Elisa Oviedo transforms water from liquid to solid. Elisa Oviedo and her niece change water from liquid to solid using a freezer. Then they heat water up on the stove until it turns into gas. Elisa ...

Although the three states of matter are solid, liquid, and gas, not all substances seem to fit perfectly into one of these groups. Take a look at the substance below and see if you can decide whether ...

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 ...

Why can you stand on a glacier but not the ocean? The answer seems simple enough: Liquids flow. Solids don’t. The atoms in liquids can slosh around. In solids, they fall lockstep into a crystal ...

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 ...

For more than a century, schoolbook physics has divided matter into neat categories like solid, liquid, gas, and plasma. A ...

The units of density depend on the units used for mass and volume. The most commonly used units are grams per cubic centimetre (g/cm³) or kilograms per cubic metre (kg/m³). These balloons are the same ...