Difference between revisions of "Melting"
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| style="height:20px; width:200px; text-align:center;" |Chocolate can '''melt''' in your mouth because your mouth is warm. | | style="height:20px; width:200px; text-align:center;" |Chocolate can '''melt''' in your mouth because your mouth is warm. | ||
| style="height:20px; width:200px; text-align:center;" |You can '''melt''' butter in a frying pan. | | style="height:20px; width:200px; text-align:center;" |You can '''melt''' butter in a frying pan. | ||
| + | |} | ||
| + | |||
| + | ==Key Stage 3== | ||
| + | ===Meaning=== | ||
| + | '''Melting''' is when a [[solid]] turns into a [[liquid]]. | ||
| + | |||
| + | ===About Melting=== | ||
| + | : Most [[Solid|solids]] can be '''melted''' to become a [[liquid]]. | ||
| + | : '''Melting''' is a [[Reversible Changes|reversible]] process. When a [[solid]] '''melts''' you can always [[Freezing|freeze]] it back into a [[solid]]. | ||
| + | : A [[solid]] can be '''melted''' by heating it. | ||
| + | |||
| + | {| class="wikitable" | ||
| + | |+ When you heat a [[solid]]: | ||
| + | |- | ||
| + | |[[File:ParticleModelMelting.png|center|600px]] | ||
| + | |- | ||
| + | | style="height:20px; width:600px; text-align:left;" |The [[particle]]s in the [[solid]] [[vibrate]] faster until they [[vibrate]] fast enough that they break the [[bond]]s holding them in fixed positions. The [[particle]]s become free to move which makes the [[State of Matter|state]] a [[liquid]]. | ||
|} | |} | ||
Revision as of 15:43, 22 September 2018
Contents
Key Stage 2
Meaning
Melting is when a solid turns into a liquid.
- Verb: To melt
- Present Participle: Melting
 |
| A solid will melt and become a liquid. |
About Melting
- Most solids can be melted to become a liquid.
- Melting is a reversible process. When a solid melts you can always freeze it back into a solid.
- You may have seen these solids melt
- Ice
- Wax
- Chocolate
- Butter
Examples
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| Some ice cubes melt to make water. | Wax melts because of the flame. |
 |
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| Chocolate can melt in your mouth because your mouth is warm. | You can melt butter in a frying pan. |
Key Stage 3
Meaning
Melting is when a solid turns into a liquid.
About Melting
- Most solids can be melted to become a liquid.
- Melting is a reversible process. When a solid melts you can always freeze it back into a solid.
- A solid can be melted by heating it.
 |
| The particles in the solid vibrate faster until they vibrate fast enough that they break the bonds holding them in fixed positions. The particles become free to move which makes the state a liquid. |