Curated OER
Pond Water Web
Students identify the different organisms in the food web. In this biology lesson, students create food chains using the information on cards. They explain what happens if an organism is removed or added in the web.
Curated OER
Does Clear Water mean Healthy Water?
Learners test their local aquatic site to determine its water clarity. They collect a water sample and measure its turbidity using a sensor, then they repeat the experiment to obtain a second turbidity reading to find the average value.
Curated OER
Your Own Fresh Water Aquarium in the Classroom
Students explore aquariums. In this fish and ecosystems lessons, students establish a freshwater aquarium environment using materials provided. Students read about and care for the classroom fish.
Curated OER
Ecosystems: Give and Take
In this river ecosystem worksheet, students complete a graphic organizer by writing in what the various organisms lists contribute and benefit in this river ecosystem.
Curated OER
What Are Some Different Food Chains?
In this food chains worksheet, students compare and contrast examples of food chains in aquatic and terrestrial habitats. This worksheet is a graphic organizer.