The blue king crab and the red king crab live in the same range but never in the same region. The third lesson in the series of five focuses on the blue king crab and the impact the changes in water temperature is having on its...

Do you think you know better? Become a scientist and prove it. Scholars review the evidence for two different theories of the origins of the universe. They notice the empirical observations as well as the inferences to determine which is...

What's the most interesting fact about a blue whale? Learners read an interview about the similarities between the Titanosaur and the blue whale displays at the American Museum of Natural History. Pupils learn not only about blue whales...

Keep within a water budget. Learners find out that less than 2.5% of Earth's water is available to drink—and that there is a fixed amount of water. Scholars read an interesting article comparing the available water to a game of Monopoly...

Introduce your class to Mars with a resource that provides information about its size, location, length of day, length of year, number of moons, and average temperature. Also includes is information about the lans for past...

See how changes in initial populations and parameters affect a biological community. Individuals use a special software program to simulate a desert community with five species. They adjust initial populations to see how the community...

Let the star's color be the guide! The color of a star indicates its temperature and its mass and distance affect the gravitational force. The lesson presentations address these concepts as well as how the theory of special relativity...

According to the Farmers' Almanac, the weather will be nice today. Class members examine how weather forecasting plays a part in their lives with a resource that provides information on the history of forecasting, from using cloud...

What will flying look like in the future? The 21st lesson in a 22-part unit on aviation reviews the major aspects of the lesson. Pupils brainstorm ideas of a future flying machine.

Class members are challenged to design a device that will move a circus elephant into a train car. Groups brainstorm ideas that use simple machines to load the elephant. They then choose one of their ideas, sketch a plan, and present it...

Wrap up the unit in one final design. Pairs use their knowledge of aviation to design new flying machines and record how their designs take into consideration the forces that act upon airplanes. The pupils determine whether their designs...

Show your students how to make their work easier. The first lesson in a series of 10 introduces the class to work and the way simple machines can be make work easier. The simple machines scholars can find in everyday items are...

Go on a moon mining expedition from the safety of your classroom with this space exploration simulation. Using simple models of the moon's surface prepared ahead of time by the teacher, young scientists are challenged with locating and...

Help your class understand the importance of exploration using robots. with a resource that provides a short history of robotics as a lead into looking at Martian robotic exploration missions. The activity specifically looks at the...

Go on a traveling adventure throughout Australia, Oceana, and Antarctica! This textbook excerpt offers a full unit of study that can easily be supplemented by extra projects or research materials. Learners study maps, read about...

Learn about the study of medications, including those found in nature and those made synthetically. The first of four lessons in a series on pharmacology includes lectures, hands-on experiments, research, and more.

Enzymes proofread DNA, reducing the error rate to one in one billion base pairs. Learn about the important process and so much more with the help of a presentation. It opens with the history of DNA and the major scientific contributions...

How important is aviation? Using the background information, teachers provide the class with a brief history of aviation. The class discusses how airplanes are important to the area of transportation in the 17th installment of a...

Students study the physical properties of the Moon.  In this life on the moon instructional activity students describe the ways life on the Moon would be different than on Earth. 

Ghost pots, fishing gear lost during crabbing expeditions, continue to trap crabs that are never collected. Increase your budding ecologists' awareness of human impact on the environment as well as conservation efforts using this...

Students explore the conditions needed to grow Texas Blue Bonnets. In this Blue Bonnet planting lesson, students recognize the differences in Texas Blue Bonnet. Students record their findings in a graphs and analyze their results.

The United States consumes more oil than any other country, about 1.85 billion barrels (or 77 billion gallons) a day. Viewers learn about the history of fossil fuel exploration and how they are formed in an informative presentation. They...

Yellow and blue make green—unless you're studying the inheritance of genetic traits. An interactive lesson explains the difference between blended traits and pure traits and gives examples of their occurrence. The resource includes a...