Writings and videos about science activities with an emphasis on environmental science and energy measurement

Browsing Archive: August, 2014

Algae Biofuel from Sewage

Posted by Antonio Chaves on Saturday, August 23, 2014, In : environmental news 
I am never a fan of land-based biofuels because they are worse for the environment than fossil fuels, and I regard algae fuels as problematic due to the difficulty of separating phytoplankton from water. However, this use of algae as a means to treat sewage as well as serve as biofuel is noteworthy because it also serves to remediate an environmental liability. I proposed this in an article I published five years ago where I question the use a switchgrass as a sustainable biofuel. I suggested...
Continue reading ...
 

Ecotourism with Children

Posted by Antonio Chaves on Saturday, August 16, 2014, In : environmental news 
I got back last week from a trip to Florida. We started with "Bathtub Reef" near Stuart Florida. We chose this place because of its reputation as a good place for children to snorkel due to its shallow waters and gentle waves. We only got to do a couple of hours of snorkeling because we had wasted too much time trying to get a hotel by the beach, only to find them way out of our price range. We would have saved much more time if we had directly gotten a hotel in town, because we only needed t...
Continue reading ...
 

New Video on Generating Electricity

Posted by Antonio Chaves on Saturday, August 16, 2014, In : new lab procedure 
I have a new video available. It is a detailed procedure on measuring the efficiency of a cordless drill generator. This is a bit more complicated than doing this with a car fan, but it generates much more watts. This procedure is also included in the new edition of the lab manual
Continue reading ...
 
« Back to posts
 

About this blog

This blog was originally created in January 2013 to serve as a means for providing updates on science activities from the environmental science lab manual Ecology, Development, and Sustainability. I have now expanded its purpose to include other items of interest to science teachers. 

Make a free website with Yola