As an instructor, one of my on-going concerns is staying current with technology. Over the years, I have attended a number of workshops which address this issue. I know many home-schhol families share this concern. If I had to chose just one device for Chemistry, it would be a TI-84 graphing calculator (loaded with the Easy Data app) with the Easylink adapter and two sensors:temperature and pH. Data collection is a snap! Easytemp is a temperature probe which insets into the mini-USB port on the graphing calculator. Most of the sensors require an adaptor or interface for the calculator called Easylink, which is connected and immediately senses and displays data Easydata Manual and Detailed Instruction Manual. (Texas Instruments, TI, has loads of Classroom Activities; these instructions can be confusing for a new user.). Easy Data Overview Video is produced by Vernier and explains step by step how to use the temperature probe with the calculator.
The data is stored in files under the Stat function on the calculator. Here is where things get tricky. Glencoe' Graphing Calculator Lab Manual was written for an older TI device called a CBL. The same principle applies to the TI 84; the data is stored in Stat files. These labs help students retrieve and analyze their data. (Get a math teacher to show you how to use the stat function on the calculator!). I will look for some lessons. TI 83/84 Instructions has screen shots describing step by step instructions in stats.
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