Even when liquids change their shape, they always take up the same amount of space. Their volume stays the same. Examples of gases include steam, helium and oxygen. They are often invisible.

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 ...

So is it true that you can't burp in space? The answer is messier than you might expect. You can't burp in microgravity the way you would on Earth, experts told Live Science. That's because, unlike ...

The transport of dense gases and liquids is becoming increasingly relevant ... but the researchers know in what areas the model excels and have a solid understanding of where additional ...

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

As the solid or liquid fuel burns, it turns into gas and escapes from the rear of ... You have probably heard the phrase "it's not rocket science". But just how complicated is rocket science ...

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 ...

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 transport of dense gases and liquids is becoming increasingly relevant in relation to carbon capture. New research is ...