Alien Invasions!

Use science to solve the mystery of the Poplar murder. Pupils use forensic botany to determine if a suspect could be the killer. By analyzing images from a Transmission Electron Microscope, learners determine if the material found on the...

Think like an engineer and an agricultural scientist over the course of 12 lessons in a STEM based unit. Young scientists take on the roles of animal physiologists, animal geneticists, agricultural engineers, animal nutritionists, and...

Incorporate multiple facets of the cell into your next high school lab! Through an introduction to cell organelles, class members observe each cell type and draw visuals to further demonstrate understanding of cellular processes in both...

What is the difference between a form of energy and a source of energy? This first activity in a series of 19 lessons uses demonstrations and discussions to introduce energy to the class. Through using hand-generator flashlights,...

Jump into the classification of animal and plants cells, through this inviting lesson comparing Elodea leaves and Epithelial cells. Middle school learners will create wet mounts, write journal entries that compare specimens, and finally...

Young biologists discuss the reasons behind the current use of the plant identification system. They get into groups and identify the characteristics of each species of plant which is described. The keys needed for groups to make...

Sow the seeds of knowledge with a short video about plant oils! Science scholars discover the methods people use to extract oils from olives, coconuts, and flowers. The narrator also explains the chemical structures of these oils and why...

Students examine the process of photosynthesis; its products and reactants, and the sequence of the process. They diagram the light reactions, record observations of plants, and discuss how difficult it is to measure plant growth as it...

Students examine non-native species and the problems they have caused in the waters of the Chesapeake Bay. They create a "Wanted" poster for one of the species. They describe the effects of non-native species on the schoolyard species.

Mario Capecchi requested funding for a new procedure targeting genes and was rejected. Four years later, after he proved it worked, the NIH apologized and funded his research. Use an online interactive to learn about his research and the...