Nuclear Fission - Revision history

NRJC: /* Key Stage 5 */

2024-05-30T10:33:27Z

‎Key Stage 5

NRJC: /* About Fission */

2024-05-30T10:32:59Z

‎About Fission

NRJC: /* Key Stage 5 */

2024-05-30T10:31:54Z

‎Key Stage 5

NRJC at 10:28, 30 May 2024

2024-05-30T10:28:34Z

Ellen References at 07:36, 15 December 2019

2019-12-15T07:36:33Z

Ellen References at 18:36, 23 November 2019

2019-11-23T18:36:03Z

Ellen References at 14:40, 10 November 2019

2019-11-10T14:40:06Z

NRJC at 11:23, 19 July 2019

2019-07-19T11:23:07Z

NRJC at 11:22, 19 July 2019

2019-07-19T11:22:53Z

NRJC at 13:38, 11 March 2019

2019-03-11T13:38:56Z

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 *When [[Uranium-235]] or [[Plutonium-239]] absorbs a [[neutron]], it becomes unstable and splits into two smaller daughter [[Atomic Nucleus|nuclei]] along with additional [[neutron]]s and a large amount of [[energy]].
 *The released [[neutron]]s can induce further [[Nuclear Fission|fission]] reactions, leading to a [[Chain Reaction|chain reaction]].
 *'''Fission''' releases a significant amount of [[energy]], primarily in the form of [[Kinetic Energy|kinetic energy]] of the [[Nuclear Fission|fission]] fragments.
 *'''Fission''' is used in [[Nuclear Reactor|nuclear reactors]] to generate [[electricity]] and in [[Nuclear Bomb|nuclear weapons]].

@@ Line 51: / Line 51: @@
 *The released [[neutron]]s can induce further [[Nuclear Fission|fission]] reactions, leading to a [[Chain Reaction|chain reaction]].
 *'''Fission''' releases a significant amount of [[energy]], primarily in the form of [[Kinetic Energy|kinetic energy]] of the [[Nuclear Fission|fission]] fragments.
-*'''Fission''' is used in [[Nuclear Reactor|nuclear reactors]] to generate [[electricity]] and in [[Nuclear Weapon|nuclear weapons]].
+*'''Fission''' is used in [[Nuclear Reactor|nuclear reactors]] to generate [[electricity]] and in [[Nuclear Bomb|nuclear weapons]].

@@ Line 44: / Line 44: @@
 ==Key Stage 5==
 ===Meaning===
-[[Fission]] is the splitting of a heavy [[Atomic Nucleus|nucleus]] into two approximately equal fragments, releasing [[energy]].
+'''Fission''' is the splitting of a heavy [[Atomic Nucleus|nucleus]] into two approximately equal fragments, releasing [[energy]].
 ===About Fission===
+*'''Nuclear fission''' can be spontaneous or induced by the absorption of a [[neutron]].
-[[Nuclear fission]] can be spontaneous or [[Electromagnetic Induction|induced]] by the absorption of a [[neutron]].
+*When [[Uranium-235]] or [[Plutonium-239]] absorbs a [[neutron]], it becomes unstable and splits into two smaller daughter [[Atomic Nucleus|nuclei]] along with additional [[neutron]]s and a large amount of [[energy]].
-When [[uranium-235]] ]] or [[plutonium-239]] absorbs a [[neutron]], it becomes unstable and splits into two smaller [[Atomic Nucleus|nuclei]] along with additional [[neutron]]s and a large amount of [[energy]].
+*The released [[neutron]]s can induce further [[Nuclear Fission|fission]] reactions, leading to a [[Chain Reaction|chain reaction]].
-The released [[neutron]]s can induce further [[Nuclear Fission|fission]] reactions, leading to a chain reaction.
+*'''Fission''' releases a significant amount of [[energy]], primarily in the form of [[Kinetic Energy|kinetic energy]] of the [[Nuclear Fission|fission]] fragments.
-Fission releases a significant amount of [[energy]], primarily in the form of kinetic [[energy]] of the [[Nuclear Fission|fission]] fragments.
+*'''Fission''' is used in [[Nuclear Reactor|nuclear reactors]] to generate [[electricity]] and in [[Nuclear Weapon|nuclear weapons]].

← Older revision		Revision as of 10:28, 30 May 2024
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	====OCR====		====OCR====
	:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Nuclear fission, pages 184-185, Gateway GCSE Physics, Oxford, OCR '']		:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Nuclear fission, pages 184-185, Gateway GCSE Physics, Oxford, OCR '']
		+
		+	==Key Stage 5==
		+	===Meaning===
		+	[[Fission]] is the splitting of a heavy [[Atomic Nucleus\|nucleus]] into two approximately equal fragments, releasing [[energy]].
		+
		+	===About Fission===
		+
		+	[[Nuclear fission]] can be spontaneous or [[Electromagnetic Induction\|induced]] by the absorption of a [[neutron]].
		+	When [[uranium-235]] ]] or [[plutonium-239]] absorbs a [[neutron]], it becomes unstable and splits into two smaller [[Atomic Nucleus\|nuclei]] along with additional [[neutron]]s and a large amount of [[energy]].
		+	The released [[neutron]]s can induce further [[Nuclear Fission\|fission]] reactions, leading to a chain reaction.
		+	Fission releases a significant amount of [[energy]], primarily in the form of kinetic [[energy]] of the [[Nuclear Fission\|fission]] fragments.
		+	Fission is used in [[nuclear reactors]] to generate [[electricity]] and in [[nuclear weapons]].

← Older revision		Revision as of 07:36, 15 December 2019
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	:[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 ''Nuclear fission, pages 110, 112-113, GCSE Physics, 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 ''Nuclear fission, pages 110, 112-113, GCSE Physics, 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 ''Nuclear fission; power generation, page 113, GCSE Physics, 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 ''Nuclear fission; power generation, page 113, GCSE Physics, Pearson Edexcel '']
		+
		+	====OCR====
		+	:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Nuclear fission, pages 184-185, Gateway GCSE Physics, Oxford, OCR '']

← Older revision		Revision as of 18:36, 23 November 2019
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	:[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 ''Nuclear fission, pages 104-105, GCSE Physics; Third Edition, Oxford University Press, 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 ''Nuclear fission, pages 104-105, GCSE Physics; Third Edition, Oxford University Press, AQA\ '']
	:[https://www.amazon.co.uk/gp/product/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Nuclear fission, pages 106-7, GCSE Physics, Hodder, AQA '']		:[https://www.amazon.co.uk/gp/product/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Nuclear fission, pages 106-7, GCSE Physics, Hodder, AQA '']
		+
		+	====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 ''Nuclear fission, page 166, GCSE Combined Science, Pearson Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1292120215/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120215&linkCode=as2&tag=nrjc-21&linkId=8f96ddb76196848bafdb124354e4cf77 ''Nuclear fission, page 22, GCSE Chemistry, Pearson, Edexcel '']
		+	:[https://www.amazon.co.uk/gp/product/1782945733/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945733&linkCode=as2&tag=nrjc-21&linkId=2a2dbec9db6bf5766c0458d908fa0a52 ''Nuclear fission, page 57, GCSE Physics; The Revision Guide, CGP, 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 ''Nuclear fission, pages 110, 112-113, GCSE Physics, 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 ''Nuclear fission; power generation, page 113, GCSE Physics, Pearson Edexcel '']

← Older revision		Revision as of 14:40, 10 November 2019
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	: If there is enough of an [[Unstable Isotope\|unstable isotope]] in a [[material]] a single '''nuclear fission''' can trigger a [[Nuclear Chain Reaction\|nuclear chain reaction]] in which the [[neutron]]s produced from the initial '''fission''' event can cause the '''fission''' of more than one other [[Unstable Isotope\|unstable isotope]].		: If there is enough of an [[Unstable Isotope\|unstable isotope]] in a [[material]] a single '''nuclear fission''' can trigger a [[Nuclear Chain Reaction\|nuclear chain reaction]] in which the [[neutron]]s produced from the initial '''fission''' event can cause the '''fission''' of more than one other [[Unstable Isotope\|unstable isotope]].
	: A [[Nuclear Fission\|nuclear fission]] [[Nuclear Chain Reaction\|chain reaction]] is used in both [[Nuclear Bomb\|nuclear bombs]] and [[Nuclear Fission Reactor\|nuclear reactors]] in [[Nuclear Power\|nuclear power stations]].		: A [[Nuclear Fission\|nuclear fission]] [[Nuclear Chain Reaction\|chain reaction]] is used in both [[Nuclear Bomb\|nuclear bombs]] and [[Nuclear Fission Reactor\|nuclear reactors]] in [[Nuclear Power\|nuclear power stations]].
		+
		+	===References===
		+	====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 ''Nuclear fission, page 140, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/178294558X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294558X&linkCode=as2&tag=nrjc-21&linkId=f0dfb66dafcb0c6e9449e7b1a4ae1ac337 ''Nuclear fission, page 49, GCSE Physics; The Revision Guide, CGP, 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 ''Nuclear fission, pages 104-105, GCSE Physics; Third Edition, Oxford University Press, AQA\ '']
		+	:[https://www.amazon.co.uk/gp/product/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Nuclear fission, pages 106-7, GCSE Physics, Hodder, AQA '']

@@ Line 8: / Line 8: @@
 : During '''nuclear fission''' [[neutron]]s are also [[emit]]ted.
 : '''Nuclear fission''' [[Energy Transfer|transfers]] [[energy]] from the [[Nuclear Potential Energy Store|nuclear potential energy store]] into the [[Thermal Energy Store|thermal energy store]] of the [[material]] and the surroundings.
-: In a '''nuclear fission reaction''' the products have less [[mass]] than the reactants as some of the [[Rest Mass|rest mass]] is converted into [[energy]] in the process due to the [[Mass-Energy Equivalence]].
+: In a '''nuclear fission reaction''' the products have less [[mass]] than the reactants as some of the [[mass]] is converted into [[energy]] in the process due to the [[Mass-Energy Equivalence]].
 : '''Nuclear fission''' can be induced in a [[material]] by bombarding [[massive]] [[Atomic Nucleus|nuclei]] with [[neutron]]s. If a [[neutron]] is captured by the [[Atomic Nucleus|nucleus]] it becomes so unstable that it splits in two.
 : The [[neutron]]s used to induce '''fission''' must have a low [[energy]] to be captured by a [[Atomic Nucleus|nucleus]] otherwise the [[neutron]]s will just pass straight through without being captured. [[Neutron]]s with the right amount of [[energy]] to be captured are called [[Thermal Neutron|thermal neutron]]s because they have a similar [[energy]] to [[molecule]]s in the [[air]] at [[Room Temperature|room temperature]].