Students explore the different types of renewable and nonrenewable energy sources. For this earth science lesson, students discuss the pros and cons of each type. They conduct a variety of experiments on renewable energy.

Is this the end of the world as we know it? Pupils prepare for a coronal mass ejection during a lesson from the K20 Center. The activity combines video and Internet research in a collaborative assignment that focuses on public safety...

Students investigate the concept of the Einstein's Theory of Relativity while conducting research using the internet and following the outline of the objectives to guide the information search. The lesson includes background information...