Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password

Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
               
               
   
1
2
   
    
          
 
3
  
          
 
  
 
4
        
 
 
5
6
   
 
  
 
  
     
 
    
  
     
 
7
   
         
     
 
8
    
               
 
Answer:

Across
1When sources of radiation are outside the body, which types are most _____?
5When radiation ionises molecules in living cells it can cause damage, _____ . . .
7The half life of a _____ substance is . . .
8There are radioactive _____ all around us, particularly in . . .
Down
2moving _____ the nucleus
3The rate of decay is proportional to the _____ of radioactive atoms in a sample.
4Comment: because it cannot penetrate the outer layers of clothing or skin.
6An alpha particle is just a helium nucleus - they exist _____ heavy nuclei in clusters.
 
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how
Created by: J Thomson
Popular Physics sets