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P2 radiation and Life
Transcript of P2 radiation and Life
Understand what happens when radiation hits an object L1 & 2 http://www.bbc.co.uk/schools/gcsebitesize/science/21c/radiation/electromagneticradiatonrev1.shtml http://www.bbc.co.uk/schools/gcsebitesize/science/21c/radiation/electromagneticradiatonrev1.shtml http://www.bbc.co.uk/schools/gcsebitesize/science/21c/radiation/electromagneticradiatonrev1.shtml http://www.bbc.co.uk/schools/gcsebitesize/science/21c/radiation/electromagneticradiatonrev1.shtml Radiation
Emitted Absorbed by the eye Reflected by the sea Transmitted
through the air Taking a chance Lesson Objective
Knowledge of which types of EM waves damage living tissue and how they do it
know what is meant by chance Starter What is the Risk?
A thought experiment
There are 2 beakers each containing a colourless liquid.
Liquid A tastes awful and after you have drank it, it will kill you in 5 minutes
Liquid B tastes like water and after you have drank it. 5 years later you will have a 1 in 6 chance of dying.
Which is the most dangerous and why? Task
I believe mobile phones should be banned for under 14 use.
Come up with arguments for and against this statement
Write an opinion on what you think is write and explain your answer -Remember to P.E.E. http://www.bbc.co.uk/schools/gcsebitesize/science/21c/radiation_life/waves_communicationrev1.shtml Starter What do you think is the most important invention ever and why? In your books please Create an appropriate thinking map to compare analogue and digital signals Task Task Create an appropriate thiking map to show the advantages of wireless communication Task Construct an annotated diagram that will help explain how the quality of radio signals can be effected. Homework Complete worksheets, you can use the internet to help you. Or better still come and see me after school or arrange a breaktime or dinner time to use a revision guide in my room.