Students observe and measure tree leaves.  In this leaf lesson students do on a "leaf walk" then use the leaves they find to complete a few activities. 

Not novel, but fun, this lesson gets your space science learners to model the size of the planets and the solar system along your school's hallway. Scaled measurements as well as actual distances are provided for both planet diameters...

Students explain why carnivals and Mardi Gras became a famous celebration. They reproduce some of the traditions and customs related to Mardi Gras. They write a persuasive paper on why or why not we should continue to celebrate Mardi Gras.