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The particle model is the name for the diagrams used to draw solids, liquids and gases. In the model, the particles are shown as circles or spheres.
- Solids, Liquids and Gases - BBC Bitesize
The particles in a gas are: far apart. arranged in a random...
- The three states of matter - AQA Solids, liquids and gases - BBC
Solids, liquids and gases. The three states of matter can be...
- Solids, Liquids and Gases - BBC Bitesize
Heat, cool and compress atoms and molecules and watch as they change between solid, liquid and gas phases.
The particles in a gas are: far apart. arranged in a random way. Particles in a gas. The particles in a gas can: move quickly in all directions. The attractive forces between the particles in a...
- Changing from One State to Another
- The Kinetic Theory of Matter
- What Is Absolute Zero?
- Why Are Solids, Liquids, and Gases So Different?
- What About Plasma?
- Are There Any Other States of Matter?
You can change any substance from a solid to a liquid or gas, or back again, just by changing its pressure and/or temperature, but that's not immediately obvious to us in a world where the temperature and pressure don't change much at all. On Earth, temperatures broadly vary from about −30°C to +30°C or (−70°F to +90°F)—which seems a huge variation...
Another way to understand solids, liquids, and gases is by thinking about the energy they contain. A balloon full of gas has molecules dashing about inside it, smashing repeatedly into the rubberwalls and pressing them outward. Balloons stay up because the force of the gas molecules pushing against the inner surface of the rubber exerts a pressure ...
What if you cool down a balloon—and keep cooling? Suppose you fill your balloon with steam to start with. Cool it for a while and you'd get a balloon with a bit of water inside, then a balloon frozen with ice. If you keep on cooling, you take more and more energy from the molecules inside. Even the atoms or molecules in a solid do move about a litt...
A solid lump of iron is much heavier than a glass of water the same size, while a balloon that's many times bigger seems to weigh nothing at all. Some solids, such as rubber, are very stretchy: you can pull a rubber band to two or three times its length and it will snap straight back to its original length when you let go. Other solids (like glass ...
If you heat a liquid, sooner or later you get a gas—but what happens if you keep heating? Eventually you produce a fourth state of matter called a plasma, in which the gas molecules not only separate from one another but break apart into their subatomic components—electrons and ions (in this case, atoms missing electrons). Plasmas are used in plasm...
I've just broken the "bad" news that there are four states of matter, not three. But is that the end of the story?Nope! There are a few others that exist only under extreme conditions. The best known of theseare called Bose-Einstein condensates (in honor of physicists Albert Einstein and Satyendra Nath Bose). They're formed when special gases made ...
Properties of Solids, Liquids, and Gases. All materials are made of tiny particles. These are called atoms. Sometimes atoms join together to form molecules. Scientists talk about different materials by talking about these particles. They talk about how the atoms (or molecules) are arranged.
Three States of Matter. A sample of matter can be classified as being either a solid, a liquid, or a gas. These three states of matter are distinguished from each other by their observable properties and the underlying particle-level characteristics. A solid has a fixed shape and a fixed volume. Your pencil is an example of a solid object.
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Solids, liquids and gases. The three states of matter can be represented by the particle model. This model explains the properties of substances in their different states, as well as changes of...
