7.4 and 7.5

 

 

7.4 and 7.5 starter

01 February 2012

10:00

Tell the person next to you…

·         What are the 7 parts of the electromagnetic spectrum you learnt in P3, Waves?

·         What are they in order of increasing frequency?

 

 

<<e-m spec.swf>>

(Note that microwaves are missing from this animation!)

 

 

 

 

 

 

 

 

 

Answers

·   Radio waves

·   Microwaves

·   Infra Red

·   Visible

·   Ultra violet

·   X-Rays

·   Gamma Rays

 

 

7.4 and 7.5

12 January 2012

10:24

·         7.4 understand that alpha and beta particles and gamma rays are ionising radiations emitted from unstable nuclei in a random process

·         7.5 describe the nature of alpha and beta particles and gamma rays and recall that they may be distinguished in terms of penetrating power

Producing Alpha, Beta and Gamma radiation

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	<<decays emitting a,b,g.swf>>		<<producing a,b,g.pptx>>

Penetrating Power

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·        

	<<penetrating power.swf>>		<<DJFPh107pene3.swf>>

	<<Interactive simulation - penetration of radiation.swf>>		<<DJFPh109gammy5.swf>>

Ionisation

	<<Animation - ionisation of atom by radiation.swf>>		<<DJFPh109ioniz2.swf>>

<<ionisation.pptx>>

Effect of magnetic and electric fields

<<effect of magnetic field on a,b,g.swf>>

<<effect of electric field on a,b,g.swf>>

producing a,b,g.pptx Download this file

penetrating power.swf Download this file

ionisation.pptx Download this file

Interactive simulation - penetration of radiation.swf Download this file

effect of magnetic field on a,b,g.swf Download this file

effect of electric field on a,b,g.swf Download this file

e-m spec.swf Download this file

DJFPh109ioniz2.swf Download this file

DJFPh109gammy5.swf Download this file

DJFPh107pene3.swf Download this file

decays emitting a,b,g.swf Download this file

Animation - ionisation of atom by radiation.swf Download this file