Photosynthetic Pictures--Are Worth More Than a Thousand Words

Are women's eggs similar to chicken eggs? Scholars compare eggs from a variety of species to better understand embryonic development. Connections to evolution through hands-on activities help to cement the new vocabulary introduced.

Whereas the lesson is an analysis of weather-related data, it can be used in any science class to teach how to review data, graphs, and visual models for pertinent information, and how sometimes these representations help to clarify...

Life as we know it would not be possible without electric transformers, so there are fewer more pertinent topics for your eager young engineers. An astounding amount of background information is provided to help you develop a lecture on...

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...

More than 200,000 species of protists exist, living on land and in water around the planet. Scholars view the diversity of protists in an interesting presentation. It divides protists into three groups: animal-like protists, plant-like...

Humans are predisposed to fear snakes. Through evolution, many animals developed a visceral reaction to snakes as a defense mechanism. An engaging video lesson describes the evidence and how scientists came to this conclusion.

Starting with a seemingly simple question, a video covers how many stars are visible with the human eye. Then it explains how many stars are in the Andromeda galaxy next to ours. The most interesting part is when you view a single square...

Did you know your blood and bones are examples of connective tissue? This is video number five in a series of 47 and further explores connective tissues. Pupils learn about other types of connective tissues, what these look like, where...

Sample size and controls are features of the scientific inquiry process that are discussed in this quick-paced quip. A comparison is made between randomized clinical trials and epidemiological studies. Terms such as placebo, cohort,...

Molecular motors are a type of biological machine that are essential to move molecules in living organisms. An exciting simulation encourages scholars to discover what controls the molecular motors in our body. A better understanding of...