Do Salt Water Fish Drink?

Whether you're a salty sea dog or a total land lubber, the lakes and oceans of our world have a tremendous impact upon everyday life. Module six in a seven-part series of lesson plans centered on fresh and saltwater literacy tackles some...

In this Hudson River worksheet, students read about fish communities in the river and complete related graph and comprehension activities.

How do you engage pupils in a discussion about osmosis without leaving them overwhelmed? By providing them with the tools to perform an exciting experiment, and they will see osmosis in action! Young chemists and biologists use a potato...

Learners study why dams are built and what is affected by them. They build model dams and explain how dams can be a detriment to paddlefish population.

Learners discuss why the ocean is salty. They discuss what salinity is. Students are told that is they want to know how much salt is in a body or water, they would use a special scientific tool. They complete an Estuarine Layers science...

Freshwater fish pee almost constantly, while saltwater fish pee very little. Scholars investigate the concept of homeostasis with a video lesson comparing fresh and saltwater fish. An episode describes how some fish absorb water, while...

Why do warm, tropical environments seem to be the perfect place to find so many of the world's most venomous animals? Explore several theories in an interesting video. The narrator differentiates between venomous and poisonous, describes...

Most of the water on Earth is found in our oceans; however, humans cannot survive on salt water. Instead, we need freshwater. So, what is freshwater and where does it come from? This is the focus of a video that discusses the differences...

Because salmon live both in salt and freshwater, they have physical (different urine concentrations) and behavioral (drinking more or less water) adaptations to maintain osmolality. In this osmoregulation video, the instructor reviews...

Students possible sources of water pollution, and explain the effects that water pollution can have on the food on the food chain. They Name human and other animal (i.e. fish) illnesses that can be contracted from drinking polluted...