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MaxineWhen solids are heated, their atoms or molecules start to vibrate more vigorously, which causes them to require more space. This increased kinetic energy leads to the atoms or molecules pushing against each other and the solid expanding in all directions. The expansion of a solid is usually uniform, resulting in a proportional increase in length, area, and volume.
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What will expand more when heated gas or solids?
In general, gases expand more than solids when heated. This is because gas particles have more energy and move more freely compared to the more closely packed particles in solids, allowing gases to expand more readily in response to temperature changes.
How do solids expand?
Solids expand when heated due to an increase in the kinetic energy of their particles, causing them to vibrate more vigorously and push against each other, leading to an overall increase in volume. This expansion occurs uniformly in all directions, resulting in an increase in the dimensions of the solid material.
Why do gases expand most on heating and solids least?
Gases expand most on heating because their particles have high kinetic energy, causing them to move further apart. Solids expand least because their particles are tightly packed and have less freedom to move, limiting the expansion.
Give examples of expansion of solids?
When solids expand, their dimensions increase. Common examples include heating a metal rod, where it expands in length, or heating a pipe, causing it to expand in diameter. Another example is when water freezes and solidifies, increasing in volume as it expands into ice.
Why do gases expand faster than liquids and solids?
Gases expand faster than liquids and solids because gas particles are further apart and have more freedom of movement compared to the particles in liquids and solids. This allows gas particles to quickly fill any available volume, leading to faster expansion when exposed to heat or pressure changes. Liquids and solids have particles that are more closely packed together, restricting their ability to expand as quickly.
