Earthworm Movement and Landscape Structure

Cells of different organs have unique cell functions. Learn how cell functions vary depending on their roles in the body using an inquiry-based activity. Scholars analyze the cell structure to make comparisons to its functions, allowing...

Students define the function of the different parts of a cell. In this biology lesson, students  discuss cell structures and how its organelles perform basic functions. They differentiate between human and animal cells.

What do a bird, an egg, a rabbit, and a toad all have in common? This fun-filled resource explains the similarities and differences between cells and how all cells are similar, yet all are different. Learners begin by depicting a...

It may be difficult for some humans to walk and chew gum at the same time ... but reptiles can't breathe while running at all! Compare the skeletal systems of reptiles and mammals in the first installment of Brain Scoop's fossils and...

Above all else, a bird's color is what sets it apart from other birds. Learn what creates their unique plumage in an installment of a video series. The video presents the physical and chemical reasons for the variation in colors as well...

Step into the amazing world of ants as this video explores the surprisingly complex social structure that makes up the foundation of every ant colony. The truly amazing ability of these tiny creatures to share information...

DNA follows specific rules when it comes to structure and pairings. Understand what DNA looks like, how it builds itself, and some of the rules that limit it. Individuals view animations showing details not observable under a microscope...

The human body contains more than 200 types of cells, and plants contain many other unique types of cells. While a huge variety of cells exist, they appear to have very similar structures. A detailed presentation describes the structure...

Why is Earth different from other planets? What makes it so special, anyway? It's only fitting to delve into how the "parent" rock was formed in the first installment of a seven-part series about rocks and rock formation. Amateur...

QuickTime movies and images of many different molecules including DNA, RNA, histones, nucleosomes, etc. Includes links to publications for more info on each molecule.