Curated OER
Diffusion through Membranes
Students identify diffusion and its processes through experimentation and calculations. They also use a CBL and conductivity probe to measure the conductivity of various solutions and study the effect of concentration gradients on the...
Curated OER
Are Polymers Photodegradable?
Learners study the term photodegradability and how it applies to the 6-pack loop ring. In this materials lesson plan students test photodegradability of the 6-pack plastic ring.
National Geographic
National Geographic: Human Impacts on Marine Species
Students learn about three examples of human impacts on marine life: migration patterns and shipping, algal blooms and water chemistry, and marine debris. Some of these impacts are due to human activity in the ocean, and some impacts on...