Curated OER
Yeast and Respiration
Students explore oxygen properties by conducting a cell experiment in class. In this respiration lesson, students discuss the process of breathing and how oxygen is inhaled before carbon dioxide is exhaled. Students utilize yeast, water,...
Curated OER
Tree Cycles
Fourth graders investigate the life cycle of a tree by researching the Internet. In this plant life lesson, 4th graders observe The Life of a Tree website and discuss the life of a tree from sprout to death. Students create a...