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3.7 Using radioactive materials October 16, 2010 Here is some data from last lesson on popping popcorn. From this table, how long does it take for popcorn to pop? 22 9 3 52 5 2 24 34 1 2nd Attempt 1st Attempt Group Time taken to pop / s  
Aims ,[object Object],[object Object]
α β γ The mass number: The atomic number:
What is radiation? Video γ β α
Using the text book ,[object Object]
Alpha ( α ) Particles Add a number to one or more boxes to accurately describe an alpha particle
Beta ( β ) particles Add a number to one or more boxes to accurately describe a beta particle
Gamma ( γ ) rays
Alpha particles
Beta particles
Gamma ray
 
 
Worked example ,[object Object]
 
 
 
What would the following elements decay into? ,[object Object],[object Object],[object Object],[object Object]
 

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3.7 Using radioactive materials