Although hydropower has been in use for centuries, largely in the form of water wheels, hydroelectricity is a more recent phenomenon. Hydroelectricity is a type of hydropower and is created as moving water powers machines that produce electricity. Here’s an interactive explainer that shows you how it works.
Soda, while sweet and inexpensive, may not be worth drinking. Sugary drinks can have many negative health effects, including a 26% greater risk of type 2 diabetes for regular soda drinkers (one to two cans per day). Should soda and other sugary drinks be taxed for health reasons? Why or why not?
The November 2014 ballot contains an initiative to ban hydraulic fracturing for three counties in California. Hydraulic fracturing, otherwise known as “fracking,” is steeped in controversy, from the amount of water it uses to how and where that water is eventually disposed.
Plants and animals are responding to climate change in different ways, altering ecosystems all over the world. How do we balance protecting species with human interests in dealing with and adapting to climate change? What do we prioritize?
Scientists have long known that reducing greenhouse gas emissions can help mitigate climate change, but that is easier said than done. Who is responsible for curtailing emissions? Is it carbon-emitting industries and businesses who manufacture consumer goods, or us, the consumers of those goods?
What a way to start out the school year! Did the South Napa quake trigger a landslide of questions from your students about why earthquakes happen, what faults are, or if scientists can predict quakes? Explore the science of earthquakes, from the Bay Area and beyond, with the following resources. Earthquake Explainer This media-rich collection […]
In 2012, California launched its cap-and-trade program. In this program, the government sets a limit on the total amount of allowable carbon emissions from businesses, refineries, manufacturers and power plants. Some people think that a tax on carbon emissions would be better. How do you think companies can best be regulated to reduce greenhouse gas emissions?
Women have made great strides in fighting for equality in America, but are there factors that still hold women back in certain areas like science? In our #DoNowSexism post, we asked students, What do you have to say about the reasons and realities of sexism in science? What are the barriers, if any, to women in STEM careers?