PIRA 7D20.00 NUCLEAR REACTIONS

DCS #DEMONSTRATIONREFERENCEABSTRACT
7D20.00Nuclear Reactions
7D20.10mousetrapsPIRA 500
7D20.10mousetraps7D20.1056 mousetraps in a cage are each set with two corks.
7D20.10mousetrap chain reactionMPa-1A large number of mousetraps set with two corks each in a large cage.
7D20.10mousetrap chain reactionDisc 25-15Ping pong balls on mousetraps.
7D20.11better mousetrapAJP 48(1),86An electronic mousetrap array that can be used as a single event "bomb" or a continuous self-sustaining nuclear reaction.
7D20.11mousetrap improvmentsAJP 31(1),62Attach groups of six mousetraps to a hardwood block. The spacing between the blocks can be varied to produce subcritical, critical, or supercritical assemblies. Place two wood blocks on each trap.
7D20.12nuclear-disintegration modelA-65A ball rolls down an incline and hits a group of balls in a small potential well.
7D20.15match chain reactionsPIRA 1000
7D20.15match chain reactions7D20.15
7D20.15match chain reactionAJP 51(2),185Matches are spaced differently in two perpendicular rows. Light the match at the junction and the entire row with the smaller spacing ignites.
7D20.20dominoes chain reactionPIRA 1000
7D20.20dominoes chain reaction7D20.16Knock down a row of dominoes of ever increasing size.
7D20.20domino "chain reaction"AJP 51(2),182A whisp of cotton knocks over a small domino starting a chain reaction in which each succeeding domino is 1 1/2 times larger in all dimensions.
7D20.30uranium model41-2.12A sphere contains internal mechanisms to eject two balls (electrons) after a ball is dropped in (thermal neutron.) Pictures, Construction details in appendix, p. 1378.
7D20.31U235 fission model41-2.13A wooden sphere flies apart and ejects two wood balls and an iron sphere when an iron sphere is dropped in. Pictures, Construction details in appendix, p. 1380.
7D20.35fission model - liquid dropAJP 51(2),185Probe a motor oil drop in alcohol/water to induce "fission".
7D20.40moderation of fast neutrons41-2.6The moderation of fast neutrons in paraffin yields both fast and thermal neutrons shown by shielding the boron counter with a Cd sheet and detecting thermal neutrons from a second paraffin block.
7D20.41water model xenon poisoning reactor41-2.11A water flow model of the behavior of a thermal neutron reactor with xenon poisoning.
7D20.60resonance absorption of gamma rays41-2.8Model of resonance absorption of gamma rays consists of an electromagnetically driven tuning fork and audio oscillator.
7D20.90nuclear explosion effectsAJP 50(7),586An introductory level summary of the physics of a nuclear bomb explosion and the effects on humans.

ReferenceDescription
M-1Sutton
Ma-1Freier & Anderson
M-1dHilton
8-2.8Meiners
1A12.01University of Minnesota Handbook
AJP 52(1),85American Journal of Physics
TPT 15(5),300The Physics Teacher
Disc 01-01The Video Encyclopedia of Physics Demonstrations

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