There's more to that glowing ball of light in sky than most children realize. From the overall structure of the solar system, to the changing of the seasons, these hands-on lessons open the eyes of young scientists to the important role...

Winter, spring, summer, and fall—Earth experiences them all! But what about Mars? Scholars compare the planets in terms of distance, tilt, and rotation during a lesson from PBS's Space series. Great visual models of Earth and Mars, plus...

It's hot today, but is that the weather or the climate? This colorful presentation isolates both concepts to allow for better understanding by covering the positioning of the planet, making comparisons of land versus water, and looking...

As a star ages its composition, size, and temperature change. Using an interactive simulation, learners explore these changes over the lifetime of a star. They see the change in temperature and luminosity graphically and a visual...

What is a Leap Year and why do we have it? Find out with this Leap Day/Leap Year response to reading activity in which scholars read a short passage and use their new-found knowledge to answer five questions with short answers. 

Save those precious minutes and hours spent planning math lessons with this mini-unit on telling time. Offering a series of engaging hands-on and collaborative learning activities, these three lessons teach children how to read analog...

Students investigate adaptation.  In this cookie age instructional activity, students examine changes and variations in chocolate chips in cookies in preparation for determining the age of trees using lines.  Students discuss how the age...

In this calendar math practice worksheet, 2nd graders answer 6 multiple choice questions about days, months, and the year. They answer questions such as "What is the fifth month of the year?" and "How many days does September have?"