Stonehenge: Solving Ancient Mysteries

After culturing microorganisms, young scientists must calculate the size of the population. Use an insightful video that offers multiple methods to solve these problems. In addition to these methods, the video highlights the importance...

Cats have a reputation for avoiding water, but did you know many cats love sinks? A video explains how to solve 16-square Punnett square problems with a dihybrid cross. It includes Mendel's Law of Segregation and Mendel's Law of...

Until the 1960s, the life expectancy of a hemophiliac was only 11 years. An informative video explains how to solve a Punnett square when there is a sex-linked trait — in this case hemophilia. It includes a discussion of the xy...

What is a gene pool? What do gene pools have to do with the Hardy-Weinberg formula? How was this formula derived? After viewing a video that introduces these concepts, young scientists determine p and q values and then work sample...

Encourage effective internet research and e-mail correspondence as scholars investigate a US capital city they've never visited to find pertinent and relevant information. They begin by picking a city, then visit that city's chamber of...

Patience is the name of the game. Using Plaster of Paris and chicken bones, learners simulate an archeological dig site. They excavate the chicken bones over a period of several days using tools and a large amount of patience.

Explore the meaning of an engineering problem-solving process. By defining specific world problems, the narrator emphasizes the importance of engineering in our world. He outlines the engineering process and connects the information to a...

Pupils learn how to use the rule of multiplication in genetics. The instructor shares some sample problems and shows viewers how to arrive at the correct answer. They then learn how to apply the rule of addition to genetics as well,...

Behind the closed doors of natural history museums lies a hidden world of scientific research and discovery that goes unseen for visitors. Follow along as this short video explores different scientific mysteries that have been...

Viewers watch while the narrator explains limiting reactions through the familiar example of a recipe. He then describes why it is necessary to use moles to solve these problems rather than just relying on diagrams. The video ends...