Northern Exposure

Why is the sun round? Examine this question, and others, with your pupils while teaching them how to live in a more earth-friendly environment. Pupils explore Sun composition and discuss how solar wind, sunspots, and solar energy affects...

Does the human body evolve as quickly as human culture? With a stellar 15-minute video, explore the trait of lactose intolerance. Only about 1/3 of human adults seem to still have the enzyme lactase and therefore, the ability to digest...

Learners examine what acid precipitation is and how it is produced and become acquainted with its effects on plants and animals in the Northern Forest. Students participate in three activities in which they discover common substances...

Students study the seasons of the Earth. In this seasons lesson, students study the science of the seasons on Earth by studying the tilt and axis of the Earth's orbit. Students read background information and four experimental activities...

There's more to climate than just the weather — explore the different components that affect weather with an enlightening resource. A hands-on unit takes an inquiry-based approach to studying wind and ocean currents. Learners discover...

Historians have proven that as early as 1497 skilled navigators were using a kamal to sail across oceans. Scholars learn about navigation tools and astronomy before building their own kamals. They then learn how to use it to determine...

There are not many plants and animals that can survive the cold, harsh conditions of the tundra. This collection of activities and reading passages helps young scientists understand the unique characteristics that allow these amazing...

Learners examine lichens in an outside field trip. Students explore the diversity of this organism and ask questions about them.

Why are there so many different skin colors? Check out the science and the anthropological theories used to explain the rich palette of human skin colors as presented in the short video.

Earth's motions, the moon's orbit, and the celestial sphere are thoroughly explained in this 52-slide PowerPoint. There are a couple of slides specific to the author's class, but you can easily edit or remove them. This fabulous...