Difference between revisions of "Thermal Conduction"
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===Meaning=== | ===Meaning=== | ||
'''Conduction''' is when [[Thermal Energy Store|thermal energy]] passes along a [[material]] from the hotter region to the cooler region. | '''Conduction''' is when [[Thermal Energy Store|thermal energy]] passes along a [[material]] from the hotter region to the cooler region. | ||
| + | {| class="wikitable" | ||
| + | |- | ||
| + | |[[File:ThermalConduction.gif|center]] | ||
| + | |- | ||
| + | | style="height:20px; width:200px; text-align:center;" |Grey represents the metal bar at a cold [[temperature]]. The yellow represents the highest [[temperature]] and red represents a [[temperature]] between yellow and grey. | ||
| + | |} | ||
===About Thermal Conduction=== | ===About Thermal Conduction=== | ||
| − | : Of the three [[ | + | : Of the three [[State of Matter|states of matter]], [[solid]]s are the best '''conductors''' of [[Thermal Energy Store|thermal energy]]. [[Solid]]s are better [[Thermal Conductor|thermal conductors]] because the [[particle]]s are touching one another allowing them to pass on their [[energy]] quickly. |
| − | : [[Metal]]s are better '''[[Thermal Conductor]]'''s | + | : [[Metal]]s are better '''[[Thermal Conductor|thermal conductors]]''' than [[Non-metal|non-metals]] because [[metal]]s have [[Delocalised Electrons|free electrons]] that can pass along [[Thermal Energy|thermal energy]]. |
| + | |||
| + | ==Key Stage 4== | ||
| + | {{#ev:youtube|https://www.youtube.com/watch?v=_23_eNaPsFQ}} | ||
| + | ===Meaning=== | ||
| + | '''Conduction''' is when [[Thermal Energy Store|thermal energy]] passes along a [[material]] from the hotter region to the cooler region. | ||
| + | {| class="wikitable" | ||
| + | |- | ||
| + | |[[File:ThermalConduction.gif|center]] | ||
| + | |- | ||
| + | | style="height:20px; width:200px; text-align:center;" |Grey represents the metal bar at a cold [[temperature]]. The yellow represents the highest [[temperature]] and red represents a [[temperature]] between yellow and grey. | ||
| + | |} | ||
| + | |||
| + | ===About Thermal Conduction=== | ||
| + | : Of the three [[State of Matter|states of matter]], [[solid]]s are the best '''conductors''' of [[Thermal Energy Store|thermal energy]]. [[Solid]]s are better [[Thermal Conductor|thermal conductors]] because the [[particle]]s are touching one another allowing them to pass on their [[energy]] quickly. | ||
| + | : [[Metal]]s are better '''[[Thermal Conductor|thermal conductors]]''' than [[Non-metal|non-metals]] because [[metal]]s have [[Delocalised Electrons|free electrons]] that can pass along [[Thermal Energy|thermal energy]]. | ||
| + | |||
| + | ===References=== | ||
| + | ====AQA==== | ||
| + | |||
| + | :[https://www.amazon.co.uk/gp/product/019835939X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=019835939X&linkCode=as2&tag=nrjc-21&linkId=57e96876985fc39b1a3d8a3e3dc238b6 ''Conduction, thermal, pages 24-25, GCSE Physics; Third Edition, Oxford University Press, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Conductions; thermal, pages 35, 58, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA ''] | ||
| + | |||
| + | ====Edexcel==== | ||
| + | |||
| + | :[https://www.amazon.co.uk/gp/product/1782948163/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948163&linkCode=as2&tag=nrjc-21&linkId=0fdbfd5dd397d6e24a9dfb250f08587f ''Conduction (energy), pages 69, 70, GCSE Physics, CGP, Edexcel ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1292120193/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120193&linkCode=as2&tag=nrjc-21&linkId=572df39392fb4200db8391d98ae6314e ''Conduction of heat, page 320, GCSE Combined Science, Pearson Edexcel ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1292120223/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120223&linkCode=as2&tag=nrjc-21&linkId=068ecf40278c32406a7f1c6e66751417 ''Conduction of heat, page 38, GCSE Physics, Pearson Edexcel ''] | ||
Latest revision as of 01:23, 17 November 2019
Contents
Key Stage 3
Meaning
Conduction is when thermal energy passes along a material from the hotter region to the cooler region.
 |
| Grey represents the metal bar at a cold temperature. The yellow represents the highest temperature and red represents a temperature between yellow and grey. |
About Thermal Conduction
- Of the three states of matter, solids are the best conductors of thermal energy. Solids are better thermal conductors because the particles are touching one another allowing them to pass on their energy quickly.
- Metals are better thermal conductors than non-metals because metals have free electrons that can pass along thermal energy.
Key Stage 4
Meaning
Conduction is when thermal energy passes along a material from the hotter region to the cooler region.
|
| Grey represents the metal bar at a cold temperature. The yellow represents the highest temperature and red represents a temperature between yellow and grey. |
About Thermal Conduction
- Of the three states of matter, solids are the best conductors of thermal energy. Solids are better thermal conductors because the particles are touching one another allowing them to pass on their energy quickly.
- Metals are better thermal conductors than non-metals because metals have free electrons that can pass along thermal energy.
References
AQA
- Conduction, thermal, pages 24-25, GCSE Physics; Third Edition, Oxford University Press, AQA
- Conductions; thermal, pages 35, 58, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA