This unit includes the following topics:
- Chemical Bonds: Covalent and Ionic
- Water: A Polar Molecule
- Acids, Bases, and pH
- Carbon Chemistry
- Nutrient/Material Cycling
pages are listed in objectives for this Unit.
Objectives: (answer the following questions as your guided reading)
Upon the completion of this unit the student will be able to:
1. Compare and Contrast Ionic and Covalent Bonds
2. explain the difference between a polar covalent and a nonpolar covalent bond.
3. explain what is meant by hydrogen bonding and illustrate the hydrogen bonding
between water molecules.
4. discuss and relate the many aspects and characteristics of water that make it essential to living and non-living organisms. (cohesion, adhesion, polarity, solvent, etc)5. Define isotopes and list several uses of isotopes.
p 30
1. define the terms acid and base in terms of their relative ion concentrations. 2. explain what the pH scale is representing.
3. explain how to increase and decrease pH – think H+ addition and absorption
4. calculate the differences between pH levels
5. discuss causes of Acid Rain.
6. Explain the function and purpose of buffers - think adding and removing H+ ions
p 36-37
1. explain how carbons electron configuration influences the numbers and kinds of bonds carbon will form.2. describe how carbon skeletons may vary, and explain how this variation contributes to the diversity and complexity of organic molecules.
3. define the term isomer and recognize its significance to the properties of compounds.
4. recognize the major functional groups and describe the chemical properties of organic molecules in which they occur.
5. explain the difference between single, double, and triple bonds.
6. define the terms hydrocarbon and macromolecule.
7. recognize that most compounds in living tissue are covalently bonded and contain carbon.
p 888-897
1. discuss the basic causes of global warming, acid precipitation, and ozone depletion and state several negative consequences for the environment caused by each.
2. explain how organisms exchange carbon, nitrogen, and phosphorus with the environment to grow, reproduce and maintain organization.
Video Lectures (post 5 main points from each video - please post them on seperate posts)
Chemistry of Life -
Ionic and covalent bonds -
Water -
pH -
carbon chemistry -
Basic Chem – PPT
http://www.explorebiology.com/pptAP/2008/BIOCHEMISTRY/20Ch02chemistry2008.ppt
Carbon Chemistry and Intro to Macromolecules
http://www.explorebiology.com/pptAP/2008/BIOCHEMISTRY/21Ch03macromolecules2008.pptLab Activity
Water Lab Activity - pick up from me
Practice questions
Nutrient Cycles - pick up from me
Quiz (NO questions from nutrient cycling will be on the quiz)
You will have three opportunities to take the end-of-unit quiz, prior to taking the end-of-unit exam.
Quizzes will be given at the beginning of class and near the end of class.
Additional Videos on WATER
Here is the link to the water drop video - very interesting
http://www.youtube.com/watch?v=zV1hTZTI18I
Jesus Lizard on the move.http://www.youtube.com/watch?v=45yabrnryXk
More info on Jesus Lizard - How "Jesus Lizards" Walk on Waterhttp://news.nationalgeographic.com/news/2004/11/1116_041116_jesus_lizard.html
