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22-Oct-2017 17:34

See More Half-Life : Licorice Description: With the Half-Life Laboratory, students gain a better understanding of radioactive dating and half-lives.

Description: With the Half-Life Laboratory, students gain a better understanding of radioactive dating and half-lives.

Play a game that tests your ability to match the percentage of the dating element that remains to the age of the object.

Modeling Atoms : Mini Rutherford Description: With the Mini Rutherford Activity, students deduce shapes and sizes of unseen objects by tracking the movements of objects they can see, in relation to the unseen…

Yer trying to teach this half-life thing to either no success or such limited success that you are thinking about considering your Mother's advise and become a Nun... Here is a cute little 'half-life' LAB I saw today (05/01/02) from a colleague Phy Sci teacher, Justine Ruth, as I said, one of the 'up and coming' STARS of teaching. The M&M's that have the blank side up has decayed into Blankium.

You know, the ones you bought for the trick-or-treaters, but you kept for yourself... Place these remaining radioactive M&Miums back in the cup. Repeat removal of Blankiums and counting of the remaining M&Miums till there are no more M&Miums left!

If the numbers are whacko out of line with each other, do it all again.

When the trials are done, I allow the counters to 'dispose' of the Blankiums. Number of M&Miums (radioactive atoms remaining) vs number of shakes (number of half-lives).

Any M&M that has the 'M' facing up is still radioactive.See More Making Atoms Visible : Autoradiographs Description: With the Autoradiograph activity, students gain a better understanding of the different types of radiation, alpha, beta, and gamma. See More Making Atoms Visible : Electroscope Description: Easily create an electroscope to detect static electricity and radiation.



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