HES+Unit+2b

- Unit Two: The Earth as a System - =__PART II__ = = Chapter 4: Matter, Energy and Environment =
 * Focus**: //How do principles of physics and chemistry apply to issues in the environment?// (Textbook Chap. 4)

**__A. Environmental Chemistry__**
**Mini-PROJECT:** Getting to Know Some Environmentally Important Molecules [|Chemical Bonding Tutorial and Animation] **LAB:** Tapwater Chemistry **LAB:** Duckweed Bioassay ("LD 50 Test") [|Lab Instructions for Duckweed Bioassay] [|Instructions for Creating Serial Dilutions]

**__B. Energy Systems__**
**LAB:** Calculating Energy Loss in a Simple System **PROJECT:** Home Energy Audit