Oct+12

Alignment to Pennsylvania State Standards:

BIO.A.2.2 Describe and interpret relationships between structure and function at various levels of biochemical organization (i.e., atoms, molecules, and macromolecules). = **Bell Ringer:** = =In your journal respond to the following question:= =We know that cells are the basic units of living things,= =and cells are made up of organelles.= =What are organelles made of?=


 * Discussion:** elements & cycles; connections to our lives

1. Use the periodic table at http://www.windows2universe.org/earth/geology/life_elements.html to locate the common elements found in living organisms on the periodic table.
 * Activity #1: Think, Pair, Share**

2. In your journal: For each element write the symbol, atomic number, atomic weight, # of protons, # electrons, and # of neutrons.

http://www.mun.ca/biology/mcollins/2041_html/cycl2041/sld001.htm to record notes as a graphic organizer.
 * Activity #2: Note taking**
 * As a class we will link to:**

Homework: Complete p 15 of the worksheet from Friday if you did not do so over the weekend