The divide between federal and state government is responsible for much of tension that continues to this day, partly because of the US Constitution. The activities in the 14th lesson in a series of 20 are designed to help learners...

The system of checks and balances is integral to the functionality of the United States government. Learn more about the ways the three branches of the government work together—and about the limitations of their power—with an informative...

The climate change debate, in the political arena, is currently a hot topic! Learners explore carbon dioxide levels in our atmosphere and what this means for the future in the 11th installment of 12. Through an analysis of carbon dioxide...

Entropy, it isn't what it used to be. Presentation includes kinetic-molecular theory, heat and internal energy, thermal equilibrium, temperature scales, laws of thermodynamics, entropy, latent heat of fusion, specific heat, calorimetry,...

Long considered the symbol of safe harbor and steadfast waiting, the lighthouse gets a mathematical treatment. The straightforward question of distance to the horizon is carefully presented, followed by a look into the...

It can be difficult to refer back to a text when analyzing it, so annotation is a great tool for kids to track what they are reading. A thorough and well-organized lesson guides learners through the process of annotating William...

Don't part with a resource on partitive division. Continuing along the lines of the previous lesson, pupils create stories for division problems, this time for partitive division problems. Trying out different situations and units allows...