Chemistry 2

Intro/Scientific Method

  1. Intro
    1. Welcome to Chem 2! Your first assignment is to give me some information about you.
    2. Handout: Text Notes for this Unit, Expectations and Late Passes
    3. Demo: Gummy Bear Safety
    4. Lab: Alchemist's Dream Come True (sort of)
    5. What is chemistry?
    6. Set up lab drawers.
  2. Doing Science
    1. The Glowing Tomato
    2. Homework: Write up a plan for how you would determine the safety of this tomato for public consumption.
    3. Scientific Method
    4. Homework: Read the article on "Smoking Moms" and determine which group is the control and which is the experimental. Write a short paragraph explaining why you made this choice.
    5. How does a candle work? If you don't know, how would you test some ideas? If you think you do know what tests could you do that would provide evidence to support your theory?
    6. Lab: Determine how a candle works.
    7. Homework: Write as much as you can about how you think a candle works. Make specific references to the experiments you performed that lead you to believe your conclusions.
  3. Properties
    1. Properties Definition
    2. Demo: rubber balls of different composition
    3. Demo: three substances that look the same.
    4. Demo: properties of hydrogen and oxygen.
    5. What are the properties of candle wax?
    6. Homework: Pick a substance and describe as many physical and chemical properties as you can. Be sure to categorize each property as physical or chemical.
  4. Classification of Matter
    1. Pure Substances vs. Mixtures
    2. Homework: Element, Mixture, and Compound sheet
  5. Chromatography
    1. Demo: chromatography of black marker
    2. Lab: How does chromatography work?
    3. Homework: Write up chromatography lab results. How does this work? Make specific references to the experiments you performed that lead you to believe your conclusions.
    4. Handout: Chromatography guiding questions.
    5. Chromatography Details
    6. Computer Lab: Understanding Chromatography
      Developed in conjunction with the Concord Consoritum and with support from the National Science Foundation. How to run this lab.
    7. Lab: Make chromatography bookmarks.
    8. Homework: Assuming that each dye which makes up the color of a marker is a compound, draw a picture like that in the Element, Mixture, and Compound sheet to represent the following marker colors: yellow, green, and black.
    9. Demo: Distillation as another example of separation through differences in properties.
  6. First Quarter Project - Here are some examples of good papers
    1. Example 1 - with notations
    2. Example 2
    3. Example 3
  7. Test Review