Curated OER
Ammonium Nitrate - Efficient Fertilizers
Young scholars study the chemistry of ammonium nitrate and consider the advantages and disadvantages of this compound. They compare different fertilizers and calculate the molar mass and percent nitrogen in the different fertilizers.
Curated OER
Latent Heat and Clouds
Students explore latent heat and how it relates to clouds in the atmosphere. In this earth science lesson students investigate how clouds are formed. Students examine clouds and the water cycle.
Curated OER
Density, Iron, and Anemia
Young scholars explain what factors determine density. In this physics lesson, students hypothesize which objects are less dense. They cite the importance of density in everyday life.
Curated OER
Angles: Angles, Angles, Everywhere
Middle schoolers estimate and accurately measure the size of angles communicate with the appropriate geometric terms and symbols to describe and name angles, lines, line segments, rays
Curated OER
Effects of Ozone in the Air
Fifth graders learn how ground-level ozone is an air pollution problem. Students measure ozone levels and graph the results.