Save guides, add subjects and pick up where you left off with your BBC account. Fran: We can compare or group different materials according to whether they are solids, liquids or gases. So let's ...

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 ...

Water is the only substance on Earth that occurs naturally as a solid, liquid, and gas. It does so because the temperature and pressure on our planet are just right to allow ice, liquid water ...

Digestive gas gets the best of everyone sooner or later, often in the form of a burp. Burping is how the body clears excess gas from the upper digestive tract, which would otherwise result in ...

You probably learned in school that there are three states of matter: solid, liquid and gas. Think ice cube, a puddle of ...

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 ...

Students explore the attractions and motion of atoms and molecules as they experiment with and observe the heating and cooling of a solid, liquid, and gas.

The density of solid iron = 7.8 g/cm 3 The density of liquid iron = 6.9 g/cm 3 A substance evaporates when it changes from the liquid state to the gas state. Its particles move freely and are very ...