Evolution in a Ring

Ice core samples give scientists access to climates of old—those from more than 800,000 years ago. Through an analysis of various temperature graphs from ice cores, tree rings, and weather stations, scholars compare historical climates...

An exceptionally creative approach is taken to assessing your biologists' grasp of natural selection concepts. They are to imagine hosting Charles Darwin for dinner and having, to their surpise, a few other noted scientists crash the...

Information about the human body doesn't have to be hard to digest! Provide learners with an overview of the digestive system, including each of the organs involved. It also covers the importance of nutrients, body mass index, the...

For as small as they are, there sure is a lot of information for young scientists to learn about bacteria. Help simplify the subject with this instructional presentation that explores the structure, nutrition, and reproduction of...

Mexico, Brazil, and Australia include the highest numbers of venomous species. An engaging video takes on the idea that venomous animals live in warm climates as part of a larger science series. It discusses possible reasons why this is...

Why do warm, tropical environments seem to be the perfect place to find so many of the world's most venomous animals? Explore several theories in an interesting video. The narrator differentiates between venomous and poisonous, describes...

Students use tools to represent bird beaks and pick up different types of food with them in order to discover which beak would help the bird survive depending on their food type.

Students examine stars and constellations in the night sky. They complete a KWL chart and calculate the mass of stars. They also discuss how a star is formed.

Students discuss the five elements of natural selection. They graph data they have collected through classroom activities and a discussion occurs about the European Peppered Moth.

Students are introduced to the topic of cosmology. In groups, they research the differences in the time of various events when it came to the history of the universe. To end the instructional activity, they use a computer program to...