Hi guys! Well this week in APES, we started off by discussing air pollution and the many different types of pollutants that could harm the environment. We also learned techniques on how to reduce the number of air pollutants that get released into the air. On Tuesday several students signed up to have their cars tested for CO2 emissions. We went down to the student parking lot on Wednesday and using a two liter bottle with an attached paper funnel, we left the cars running for five minutes to collect CO2.

Collecting CO2

Collecting CO2 emissions from a Ford F150

Collecting more CO2

We then took our results back to the room & Thursday we worked at our lab tables and measured the CO2. We added 50ml of H2O and 10ml of BTB into our 2 liter bottle. Then we had to titrate BTB with 1% baking soda until the BTB turned back to blue. We counted the number of drops used (which was a lot!) and began working on our lab report. On Friday we worked on two worksheets to better understand air pollution and ways we can clean it up. :)