In this video, students learn how to make rough comparisons of very large numbers using scientific notation. By understanding the concept of scientific notation and the power of 10, students can quickly estimate the magnitude of...

NASA's Global Precipitation Measurement mission, or GPM, a joint NASA/JAXA mission, will provide rainfall data on storms and hurricanes like Irene that move out of the tropics. The data will be available when the GPM Core Observatory...

Reading, summary, and analysis of Robert Frost's "Out, Out-" In this video we'll look at the poem's literary techniques, historical context, biographical connection, and Shakespeare inspired title. The buzz saw snarled and rattled in the...

Students will explore the notion of resource conservation, and identify the differences between renewable and non-renewable resources. Some of the ways our environment may be harmed via pollution, deforestation, species extinction, and...

What is electricity? How does it work? Where does it come from? Everyone has heard of electricity, but most people don’t understand much about it. Scientists have studied electricity for centuries, and they still have many unanswered...

If you're familiar with John Green's debut novel, looking for Alaska, then you know the reference to Miles' name (Miles to go before I sleep) comes from a Robert Frost poem. But, did you know that diving into this poem revels just how...