Curated OER
Kidney Filtering
Learners investigate how kidneys function. They discuss how a dialysis machine works, and conduct an experiment in which they filter different substances through a plastic window screen, various sizes of hardware cloth, and poultry...
Curated OER
Excretory System
Students discuss what happens to the trash in their home. They talk about what would happen if they didn't remove the trash. Students relate their home trash to the excretory system of their bodies. They label a diagram of the urinary...
Curated OER
Just Passing Through
Students examine the functions of the kidney and its place in the urinary system. They discuss how astronauts go the bathroom in space, examine labeled diagrams of the urinary system, and draw a large scale drawing of the excretory...
Curated OER
Seashell Homes
Pupils listen to a story about seashells. They discuss shelled animals. Learners describe the function of seashell. Pupils relate the function of a seashell to their own dwelling. They differentiate between shelled animals that make...