Nitrogen is an essential element for productive farming. An interactive lesson explores the chemical makeup of different fertilizers and their corresponding nitrogen content. The interactive challenges individuals to complete...

Using Google Earth, a vocabulary assignment, and map handout, your class members will outline the Fertile Crescent in Mesopotamia and identify the source of the Tigris and Euphrates rivers. They will then complete graphic organizers...

Investigate the different types of pollution that storm drain runoff carries into oceans, lakes, rivers, and streams with this class demonstration. Using an aquarium and an assortment of everyday items that contaminants like motor oil,...

Young foresters examine the strategies, like prescribed burns and thinning, that are employed to ensure healthy forests.

This complete set of instructions for creating your very own butterfly garden and habitat is so cool! With some seeds and the handy resources in this activity, you and your class will be able to determine which type of habitat is best...

Explore the life and writing of John Steinbeck. A 48-slide presentation introduces the famous American author, his California heritage, and his impressive collection of published work. Viewers are then introduced to Of Mice and Men, one...

Why is diversity in biology so important for an ecosystem? Explore biodiversity, evolution, and natural selection with a presentation for your biology class. It features clear information, activities for further understanding, and...

Celebrate fall with four pumpkin themed hands-on activities! After learning about pumpkins, scholars complete two activity sheets that reinforce estimation and word problems. They then plant pumpkin seeds and bake a pie in...

Scientists found fossils of plants more than 420 million years old—but plants existed for up to 100 million years prior to these fossils. Learn about the importance of plants to the entire planet. Viewing a presentation helps scholars...