Tuesday November 25, 2014

(period 2 and 6)
Agenda:

• attn/good things
• NEW bell sheets
• Unit 4: Evolution/Radioactive decay (NOTES GUIDE HANDED OUT)
• Begin Bean lab

Bell:

What is a fossil?


(period 1)
Agenda:

• attn/good things
• "Evolution of the Whale" Notes (NOTES GUIDE HANDED OUT)
• Bean Lab

Bell:

The initial amount of Uranium227 in a sample of rock is 16g and the half life of U227 is 3,400 years.  How much time has passed if there are 2g of U227 remaining?


Notes by Mrs. Anderson