Grade 9 - Radiation

Test yourself on Grade 9 - Radiation

• In order to determine the half-life of a radioactive isotope from a graph depicting radioactive decay, what should be the first thing that you check?

• This is a graph depicting the radioactive decay of an isotope. What is the half-life of this isotope, in hours?

• A student is performing an experiment to test the radioactivity of a substance. What type of radiation would be safest for them to use, when considering the penetrative ability of the different radiation types?