Will the Ocean Ever Run out of Fish?

Playing with balloons, water, oil, and bottles help put this instructional activity over the top! Participants use air-filled balloons in water tanks to experience gas compression. They also use oil-filled bottles to experiment with...

Life comes in all different shapes and sizes, and fish are no exception. Here, young scientists create fish prints as they learn how specific characteristics allow different species to survive in their particular habitats.

How does water pollution affect the environment? Provide your class with the resources to answer this question as they learn about eutrophication and ecosystem changes. Over two weeks, they simulate the effects of pollution on the...

Is losing cultural traditions the cost of social progress, or should people make stronger efforts to preserve these traditions? High schoolers watch a short film about the native Yup'ik people in Alaska and how they handle the shifts in...

Our scholarly friends head to the lake to go fishing and are unpleasantly surprised by the algae filling the water. They talk about primary and secondary succession as different ways that ecosystems are changed. Show the short video,...

Students experience and study cause and effect as they assess the consequences man faces when time travel is attempted. They determine, in their imaginations, what time period they would like to visit. Each student then listens to,...

Acid rain, and how it affects the environment, is the focus of this Earth science lesson. During the study, learners evaluate measures to reduce acid rain, and design an investigation to demonstrate the conection between a hypothesis and...

Mia's friends are fish-sitting while she is away on vacation. Zoe divulges to Sam that different animals need different habitats, and that there are both freshwater and saltwater ecosystems. Examples of the kinds of organisms found in...

Take a ride on the carbon cycle by watching this animated featurette. Those who do will learn about the element carbon, how it cycles through the atmosphere and biosphere, and how it contributes to Earth's temperature. This video comes...

Coral reefs are the most diverse communities in the world, but what happens when fishermen catch the fish before they reach a state of maturity? Every year, over 30,000 tons of reef fish come into Hong Kong to be sold at the fish...