Article
Untamed Science

Untamed Science: Competition

For Students 9th - 10th
This well-written article explains what competition in an ecosystem is and the different ways it can manifest itself. It also looks at how organisms avoid competition, some disadvantages and outcomes of competition, the impact of a...
Handout
BiologyWise

Biology Wise: Theories Behind the Extinction of Neanderthals

For Students 9th - 10th
Discusses the discovery of Homo neanderthalensis and describes the different theories that have been put forward to explain why Neanderthals became extinct.
Website
Other

United States of America Snowboard Association

For Students 9th - 10th
USASA is the first governing body exclusively for competitive amateur snowboarding. This resource offers history, USASA rulebook, event schedule, and the latest news.