To see why solids melt and liquids freeze, you need to know two things about matter (solids, liquids, and gases). First, all ordinary matter is made up of atoms, often attached together as molecules. The matter tends to stay together because those molecules are pulling on each other. The other thing is that molecules are always bumping and moving around, and the hotter they are, the more they move.
When you get a solid hot, the molecules bump around faster and harder until they start breaking apart and moving around each other; that's when a solid melts and becomes a liquid. However, in a liquid, the molecules still pull on each other enough to stay bunched together (that's why a drop of water on a table is round, and doesn't spread out all over). If you heat the liquid up even more, the molecules fly around fast enough to break totally free of each other; now they can go anywhere, and the liquid boils off into a gas and just spreads out and mixes into the air.
The opposite happens when you cool down a gas: first it becomes a liquid, then a solid.
Some solids can even become a gas without first becoming a liquid; this is called "sublimation". For instance, ice in a freezer slowly disappears, since it's subliming into a gas. The opposite happens, too: that's why you get frost (which is tiny ice crystals) in a freezer, and on cold window panes.
Changing the pressure on a solid, liquid, or gas can make it change state, too.
When particles are heated, they gain energy and move faster, causing solids to melt into liquids and liquids to evaporate into gases. On the other hand, when particles are cooled, they lose energy and move slower, causing gases to condense into liquids and liquids to freeze into solids.
No, gases do not have a fixed shape or volume like liquids and solids, so they cannot be stirred. Gases will naturally mix and spread out to fill the space available to them.
Solids have a fixed shape and volume, liquids have a fixed volume but take the shape of their container, and gases have neither a fixed shape nor volume and expand to fill their container. The particles in solids are tightly packed, in liquids they are loosely packed, and in gases they are far apart. Additionally, solids have the strongest intermolecular forces, followed by liquids, then gases.
Solids: concrete, glass, steel Liquids: water, beer, wine Gases: air, carbon dioxide, methane
Radiation can occur in all three states of matter - solids, liquids, and gases. It is a form of energy transfer that does not require a medium. Radiation can travel through solids, liquids, and gases as electromagnetic waves or particles.
Sound travels faster in solids than in liquids and gases because the particles in solids are closely packed together, allowing for faster transmission of vibrations. In contrast, the particles in liquids and gases are more spread out, which results in slower propagation of sound waves due to increased distance between particles. Additionally, solids have a higher elastic modulus, making them more resistant to deformation and facilitating faster sound transmission.
solids because the atoms are closer together
Yes, solids, liquids, and gases have different masses because their particles are packed differently. In general, solids have the most mass because their particles are closely packed, while gases have the least mass because their particles are spread out. Liquids have a mass between that of solids and gases.
The common denominator in solids, liquids, and gases is that they are all forms of matter. They differ in their arrangement of particles and the extent to which those particles move. Solids have tightly packed particles with little movement, liquids have particles that are more spread out with some movement, and gases have particles that are very spread out and move freely.
Yes, sound travels faster through solids compared to liquids and gases because the molecules in solids are closer together, allowing sound waves to propagate more easily. In liquids and gases, the molecules are more spread out, which leads to a slower transmission of sound.
Gases spread out faster than liquids, and liquids spread out faster than solids. Gases, liquids, and solids are the three main phases of matter. A material moves to a different phase if its kinetic energy is changed enough (Kinetic energy is a measure of heat or temperature). For example, if you heat an ice cube (solid water), it will melt into water (liquid water). Gases have the highest kinetic energy. The molecules inside a gas are the fastest moving of the three phases. That means gas will spread out the fastest. Kinetic energy: Gas ---> Liquid ---> Solid [Decreasing] Solid ---> Liquid ---> Gas [Increasing]
some solids,liquids and gases are dangers some are not dangers
Sound travels faster through solids because the particles in a solid are closer together, allowing the sound waves to travel more efficiently from one particle to another. In liquids and gases, the particles are more spread apart, causing the sound waves to move at a slower speed.
Mechanical waves involve the physical transfer of vibration from one particle to another within the medium. Denser materials (solids and liquids), have closer particles so this transfer of energy occurs more quickly. :)
Sound travels faster in solids than in liquids, and faster in liquids than in gases. This is because solids are more densely packed, allowing sound waves to propagate more effectively through their structure.
solids and liquids
Sound travels faster through solids because the particles in solids are closer together and can transmit vibrations more efficiently. In gases and liquids, the particles are more spread out and the molecules have less interaction to transfer sound waves effectively.