Lecture 1: Acids and Bases
Lecture 1 starts out with an introduction to acids and bases. In the lab in this module, you will get a chance to create your own pH indicator from red/purple cabbage. It is one of our family favorites. In the slideshow below, I have some pictures from one year's lab that was done with our youngest son mixed with another year that we did it. We never seem to tire of this one.
Lecture 2: Molarity and Stoichiometry
Molarity is all about concentration. You have everyday experience with concentration. You might like your tea at a particular sugar concentration for instance.
We will lean about additional concentration units in upcoming modules, but this topic will definitely get our toes wet with the idea. The topic will also bring back our studies of stoichiometry to the forefront again after several modules where we have had a diversion into atomic and molecular structure. We will be able to use molarity to find the grams, moles, or molarity of other substances in a chemical reaction thanks to the Molarity equation.
We will lean about additional concentration units in upcoming modules, but this topic will definitely get our toes wet with the idea. The topic will also bring back our studies of stoichiometry to the forefront again after several modules where we have had a diversion into atomic and molecular structure. We will be able to use molarity to find the grams, moles, or molarity of other substances in a chemical reaction thanks to the Molarity equation.
Lecture 3: Titration
Titration is a lab procedure that helps identify the concentration of an unknown substance. The gear for such a lab is beyond the budge of most home school families, but you can use inexpensive items such as a calibrated eyedropper to step in for the job of the burrette.
We will even be using our own homemade pH indicator made from red/purple cabbage. The instructions on how to make the indicator are in the slide show below.
We will even be using our own homemade pH indicator made from red/purple cabbage. The instructions on how to make the indicator are in the slide show below.
Chemystery: Sherlock Holmes and Molarity
Inspired by the similarity in the word Molarity and Professor Moriarty (Holmes' arch nemesis), I was inspired to create this module's Chemystery on Sherlock Holmes. Holmes and Watson leave England and tour the late 1800/early 1900's U.S. Their travels land them at the Alderwell estate just as July 4th preparations are underway. When the spoiled daughter of Mr. Alderwell collapses and dies, everyone assumes the cause is her severe asthma that has nearly claimed her life many times before, but Holmes realizes that something is amiss with her asthma medicine. Join us as Holmes uses his keen skills of observation and knowledge of chemistry to track down her killer among the guests and workers that have gathered for the 4th of July.