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a railway track has a little distance maintained between the two rails,this is so 'cause during summer they expand and if they don't have distance maintained they bulge causing train accidents and during winter they contract causing the rails to snap
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∙ 11y ago
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∙ 11y agone heat gives energy for the particles to move around
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∙ 12y agoSolids that expand and contract are balloons and sement on a bridge
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∙ 13y agoEvery thing expands an contracts. Some just do so more than others. Glass and wood do very little while metals expand and contract more.
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∙ 11y agoLiquid in thermometers and liquid in a narrow glass tube. Hope this helped!
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∙ 12y agoThe solids that have thermal expansion are usually metals which include the pure and the alloys.
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∙ 15y agoIt's density decreases.
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∙ 13y agoYes, especially on heating them.
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∙ 14y agoTheir density decreases.
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When most solids liquids and gases are heated they?
expand
What happens to a liquids particles when the temperature increases?
Liquids, solids and gasses EXPAND when heated- the particles occupy more space.
What happens to matter when heated?
When matter is heated it will expand
What happens to the volume of solids liquids and gases when they are cool?
they all contract.
Do all liquids expand when heated?
Liquids expand more than solids on heating
How do solids expand?
the heat expand the solids atoms
What happens to the volume of solids liquids and gasses as they warm and cool?
Mostly they expand as they warm, contract as they cool.
Unlike solids and liquids a gas will?
Unlike solids and liquids, a gas will expand to fill the space available to it.
Do solids expand to a much greater extent than gases when heated?
No, gases expand more than solids when heated.
Do solids expand when hot?
yes
Do solids contract when frozen?
No. They expand.
What happens when solids expand?
the intermolecular forces of attraction between the atoms in a solid are weakend due to increase in kinetic energy between molecules
Do solids expand at the same rate?
No all solids do not expand at same rate because some solid expand at less temperature and some solids expand at less temperature. For example if we take iron and plastic iron expands at high temperature and plastic melt at less temperature(at candle light also).
Do solids change volume?
Most solids expand as they increase in temperature and contract as they get colder. Interestingly, water after it freezes will start to expand as it gets even colder.
When temperature rises solids do what?
they expand! does that help
When most solids liquids and gases are heated they?
expand
Why do solids expand when heated even though their mass does not change?
BECAUSE the moncules are heated they expand because there gay and expand
