Elementary ecologists pretend to be migratory hummingbirds. They fly between wintering and nesting grounds, trying to reach a habitat haven. In a musical-chair fashion, some birds will miss out, and are removed from the game. To further...

There are five methods of seed dispersal. They include gravity, mechanical, animal, water, and air. Scholars study seed dispersal in lesson five of the series of six. Through discussions, hands-on analysis of different seed types, and...

What led Americans to head west in the 1800s? Using an interactive map and journals from those who traveled, pupils explore the stories of those who migrated. In addition, they see how the numbers fluctuated in response to the push-pull...

You may not know if that zebrafish in your fish tank is a model citizen—but it is definitely a model organism! What can we learn about ourselves from a tiny zebrafish? Discover more about the polygenic trait of skin color through a...

How is life in Northern Europe different from other areas of the world? Historians journey through the various regions of Northern Europe discovering what type of climate, animals, and lifestyles exist in that section of the world. They...

If America is a nation of immigrants, where are they from and why did they come? Demographic data and interactive maps help pupils consider answers to these questions by examining the statistics of foreign-born Americans. Features allow...

Learn how ocean currents are vital to humans and marine life. The eighth installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program, focuses on ocean currents and how they affect global climate. The...