As the individual atoms are warmed up, they move faster causing the substance to expand slightly.
As a substance has energy added to it through heating, its Kinetic Energy becomes greater. Kinetic energy is the energy of Motion - the more the kinetic energy of the atoms of a substance means the faster the speed of motion of these same atoms.
When a substance is heated, its particles start moving fast and their rate of collision also increases. The process leads to the substance expanding.
They move faster
Solid
The average Kinetic energy of the atoms in the sample will increase as the sample is heated.
When matter is heated the particles in the matter gain energy and begin to move or vibrate more depending on the state in which the matter is currently in. If the heat provided is significant enough they can change state too. Hope that was what you were looking for!
The air becomes less dense as it expands making the balloon appear to self inflate.
It depends on the temperature of the particles.
The motion of particles is accelerated.
its a movement of small particles of matter
When they have energy. E.g. when they're heated.
The particles start moving faster and the matter expands.
its particles stop moving around because of loosing kinetic energy. As you know kinetic energy is something that moves around .And particles in sample of matter cool off and stop.
Matter in which all particles are alike is referred to as homogeneous.
If you understand by particles atoms they remain unchanged.
Solid
The average Kinetic energy of the atoms in the sample will increase as the sample is heated.
The state of matter of mercury and the motion of its particles as it is heated from 45 degrees Celsius to 356 degrees Celsius is 46 million.
Thermometers detect the average kinetic energy of the particles in a sample of matter. As the temperature increases, the particles move faster and have higher kinetic energy. This increase in kinetic energy is then measured by the thermometer, allowing us to determine the temperature of the sample.
The individual particles vibrate/move faster. The matter as a whole expands.