Greenhouse in a Beaker Activity Source: Adapted with permission by The NEED Project. Carbon is naturally found in the atmosphere. Carbon dioxide, or CO2, itself is not considered a pollutant. The CO2 being released from burning fossil fuels was part of the atmosphere hundreds of millions of years ago before being captured by plants and sea organisms. Carbon atoms naturally cycle through the biosphere, the atmosphere, the hydrosphere, and the lithosphere in process known as the carbon cycle. [Read More]

Toasty Wind Activity Source: NOAA Grade Levels: 5-8 Background Energy transfers are happening everywhere around us. Some we can feel or see, such as a gust of wind blowing through a tree. But where does the energy come from that drives that wind? With this activity, finding out will be a breeze! Materials Paper plate or card stock Marker Scissors String (~3 inches) Hot plate or toaster SAFETY NOTE: This activity uses a heat source and should be conducted with adult supervision. [Read More]