Flaps for tonight:
- radioactive isotope
- radioactive decay
- parent isotope
- daughter isotope
- radiometric dating
- half-life
- potassium argon method
- uranium lead method
Many students turned in the first payment for the field trip, however, more have not yet turned in anything. Please submit your first payment ASAP so we can have a good idea on numbers for the trip (which helps determine the number of chaperones needed).