3/23 - Radioactive decay

Today we learned about radioactive decay, and talked about half lives. Be sure that you know how to make a table of radioactive decay and half-lives. You also need make sure that you know the erosion vocab words:

1. groundwater
2. aquifer
3. porosity
4. permeability
5. impermeable
6. geyser
7. zone of aeration
8. zone of saturation
9. hot springs
10. stalagtite
11. stalagmite
12. sinkholes
13. water cycle
14. evapotranspiration