Most listeners can correctly identify the relative age and gender of speakers without being able to see them. How is it that the human voice is capable of producing such a range of sounds? Find out with a short video that examines the...

Snakes are just lizards without legs, right? Scholars study the sensational evolutionary history of the snake with a video from a well-written biology playlist. Topics include snake fossils, theories on snake evolution, and...

Sharks contain a cartilage skeleton, rather than bone, so they rarely appear in the fossil record. The video explains why we find shark teeth and how scientists use that tiny piece of information to learn about sharks. Then, it presents...

What does modeling have to do with bones? A video introduces us to Dr. Prinold, a biomechanical engineer. Dr. Prinold is working at modeling the forces incurred on a child's ankle. The idea is that the model will help doctors understand...

Help young biologists find their place in the animal kingdom with a life science presentation on the phylum chordata. Over the course of 54 slides, your class will dive deeper and deeper into the hierarchy of biological classification,...

Trying to plan a lesson on the respiratory system? Then take a deep breath, because this presentation has you covered. From the atmosphere through the lungs and blood to the body's cells, this presentation investigates the complex series...

When a hiker gets trapped under a one-and-a-half ton piece of sandstone, he is shockingly able to throw off the slab. Because we normally use only one-third of our muscle fibers at a time, the potential for more is available in...

In this fish worksheet, students will use fish characteristics vocabulary words to fill in the blanks of 3 statements and a crossword puzzle.

In this earth science worksheet, students read the description of each animal and identify who each one is. They circle every third letter in the box to the right to check their answer.

Students relate the location and the function of individual skeletal parts. Students identify and discuss skeletal differences between species. Students identify and define related terminology. Students individually complete a written...

In this medical terms worksheet, students identify and locate various vocabulary terms related to medicine. There are 50 biology terms located in the word search.

Students are presented with a set of data about dinosaurs and asked to hypothesize about what the data can tell us. They modify their hypotheses as more information is revealed.