Curated OER
Fish In a Bottle
Learners work together to build their own fish ecosystems. As a class, they share their prior knowledge about catfish and use a diagram to label its body parts. They record their observations of the ecosystem and determine what they...
Curated OER
Aquaculture
There are many important facts about raising water animals commercially in this PowerPoint. Fish, alligators, crayfish and bullfrogs are considered, and the special conditions that each require is also included.
Curated OER
Aquaculture
Students examine an experiment in which 2 types of commercial fish are fed a new type of fish feed and a commercial fish feed which costs ten times as much. They calculate in the fish grow as well with the cheaper fish feed and then...
Curated OER
WATER QUALITY FOR FRESHWATER ORGANISMS
Students use determination of dissolved oxygen and water temperature changes to determine the environmental impact from thermal pollution.
Curated OER
The Effects of Temperature Variations on the Heartbeat Rate of Daphnia
Young scholars use DigiScope technology to investigate Daphinia, popularly known as water fleas. They design, conduct, and report on an experiment to determine the effects of varying water temperatures on the heartbeat rate of Daphnia.
Curated OER
Water Quality Monitoring
Students comprehend the four parameters of water quality. They perform tests for salinity, dissolved oxygen, pH and clarity or turbidity. Students comprehend why scientists and environmental managers monitor water uality and aquatic...