Watershed Videos
Our young scientists at work studying the health of watersheds in Maryland.
pH Testing at Elkridge Elementary Pond
Sunlight and Temperature
Damselflies and Mosquito Larvae
Water Temperature
Dragonfiles and Damselflies
Nutrient Runoff in Stagnant Pond
Introduction to Physics
Introduction to Physics part 2
Damselflies, Mosquitoes and Toadpoles, Oh My!
Bullfrogs and Turbidity