boys-and-girls-club
boys-and-girls-club


Author Comment Last activity Moderation
DrJohnBarrett "I have more sophisticated instruments for water quality testing, if needed.. " | Read more » almost 6 years ago
stevie "Also, we split up the kit before the workshop. We had the students divide into groups and rotate through the testing, so everyone was able to get h..." | Read more » about 6 years ago
stevie "Here's the page we put together to make a worksheet for students. It's from the materials in the book, but since we were doing this with 10 or so s..." | Read more » about 6 years ago