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When a substance is heated do the particles get larger?
When a substance is heated, the particles do not get larger but they vibrate faster and spread out more, causing the substance to expand. This expansion is due to the increase in kinetic energy of the particles, not their actual size.
Most matter when heated?
When matter is heated, its particles gain energy and move more rapidly, causing the substance to expand and sometimes change phase (e.g. solid to liquid). The exact effects of heating depend on the specific properties of the material.
What is the substance called that occupies the entire volume of the container?
This would be a gas. A gas expands to fill the space of the container that contains it.
When a substance undergoes thermal expansion what happens to the particles?
As you might expect from the term "expansion", they get farther apart from each other - at least on average. They also tend to gain more vibrational energy, rotate faster (when able to) and move around faster in general.
Why does the substance in the column of the thermometer go up when it is heated?
When the substance in the column of a thermometer is heated, its temperature increases. As the temperature increases, the particles in the substance move more energetically and spread out, causing the substance to expand and rise up the column. This expansion is what causes the fluid to rise and indicate a higher temperature reading on the thermometer.
When substance is heated its particles expand and increase in size?
it expands and it becomes bigger
What happens to a particle of a substance when it expands?
individual particles do not expand, when a substance expands it is the dead space between the particles that expands and the particles begin to move around (assuming the substance was solid to begin with). If a particle did expand it would loose cohesion and break apart (possibly creating an atomic reaction depending on how it was expanded)
What happens to density during the heat expansion of a substance?
Think of of the expanding substance as a box full of marbles. If it expands, they end up in a bigger space (in this case a bigger box). Because of that they have more room to move around and there will be less particles and less mass per cm2 which is what the density is.
Do particles get bigger when they are heated?
In general, particles do not get bigger when they are heated. When particles are heated, they gain energy and move faster, which may cause materials to expand due to thermal expansion. However, the individual particles themselves do not increase in size.
Why does the substance in the thermometer stem rise up?
The substance in the thermometer stem rises up because it expands when heated. This expansion is due to the particles within the substance moving more rapidly and spreading further apart, causing the substance to take up more volume and rise up the stem of the thermometer.
What substance expands when frozen?
water
When a substance is cooled down it usually expands true or false?
False. Most substances contract or shrink when they are cooled down because cooling reduces the kinetic energy of the particles in the substance, causing them to move closer together.
What becomes bigger in size due to movement of particles in a solid?
If the particles in a substance are moving, the volume of that substance becomes larger because the particles move faster and spread farther appart. the mass of the object stays the same because it is the same amount of particles, just in a format in which the volume is larger. hope i helped :)
When a substance is heated do the particles get larger?
When a substance is heated, the particles do not get larger but they vibrate faster and spread out more, causing the substance to expand. This expansion is due to the increase in kinetic energy of the particles, not their actual size.
When a gas expands whether its density increases or decreases?
the density decreases because the particles spread out and so less particles occupy the same amount of area meaning the substance is less dense.
What happens to a substance or object when it is heated?
It expands.
As a substance changes from a liquid to a gas the space between its particles?
......... distances become 100 to 1000 times bigger
