Difference between revisions of "Particle Model"
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: The '''particle model''' can [[explain]] [[State Changes|changes of state]]. | : The '''particle model''' can [[explain]] [[State Changes|changes of state]]. | ||
: [[Scientific Evidence|Evidence]] of the '''particle model''' can be shown by pouring 50[[ml]] of [[pure]] [[water]] and 50[[ml]] of [[pure]] [[ethanol]] into a [[Measuring Cylinder|measuring cylinder]]. The [[solution]] is only 97[[ml]] because [[ethanol]] [[molecule]]s are bigger than [[water]] [[molecule]]s so the [[water]] [[molecule]]s fit between the [[ethanol]] [[molecule]]s like pouring 50[[ml]] of sand and 50[[ml]] of marbles into the same container. It will not make 100[[ml]]. | : [[Scientific Evidence|Evidence]] of the '''particle model''' can be shown by pouring 50[[ml]] of [[pure]] [[water]] and 50[[ml]] of [[pure]] [[ethanol]] into a [[Measuring Cylinder|measuring cylinder]]. The [[solution]] is only 97[[ml]] because [[ethanol]] [[molecule]]s are bigger than [[water]] [[molecule]]s so the [[water]] [[molecule]]s fit between the [[ethanol]] [[molecule]]s like pouring 50[[ml]] of sand and 50[[ml]] of marbles into the same container. It will not make 100[[ml]]. | ||
| + | : [[Scientific Evidence|Evidence]] of the '''particle model''' can be shown by observing [[Brownian Motion]]. | ||
Revision as of 13:00, 1 November 2018
Key Stage 3
Meaning
The particle model is a scientific theory that explains the properties of solids, liquids and gases by suggesting that all matter is made of particles, and that those particles behave differently in solids, liquids and gases.
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| A diagram showing the particle model for solids, liquids and gases. |
About The Particle Model
- The particle model explains the properties of solids, liquids and gases.
- The particle model can explain changes of state.
- Evidence of the particle model can be shown by pouring 50ml of pure water and 50ml of pure ethanol into a measuring cylinder. The solution is only 97ml because ethanol molecules are bigger than water molecules so the water molecules fit between the ethanol molecules like pouring 50ml of sand and 50ml of marbles into the same container. It will not make 100ml.
- Evidence of the particle model can be shown by observing Brownian Motion.