Curated OER
What Makes a Seed Breathe Faster?
Here's a five-star lesson plan in which inquisitors conduct sophisticated experimentation with cellular respiration in plant seeds. Placing seeds in a closed system they measure the amount carbon dioxide produced and relate it to...
Cornell University
Predicting Chemical Reactions
Prove the Law of Conservation of Mass through a lab investigation. A well-designed lesson asks groups to combine materials and monitor indicators for chemical reactions. Measuring the mass of the reactants and products allows individuals...
Teach Engineering
Algae: Tiny Plants with Big Energy Potential
My, what big energy potential you have! Scholars learn about the energy potential of using algae as a biofuel. A PowerPoint presentation first describes the structure of algae and then how researchers use algae as biofuel to produce energy.
Curated OER
Characteristics of Living Things
Seventh graders identify the characteristics of living and non-living things. In this biology lesson, 7th graders define vocabulary words as they go through the lesson. They answer a crossword puzzle after class discussion.
Cornell University
Bridge Building
Bridge the gaps in your knowledge of bridges. Individuals learn about bridge types by building models. The activity introduces beam bridges, arch bridges, truss bridges, and suspension bridges.
Curated OER
A Place for the Birds
Students reflect on bird migrations and develop a project to collect data on bird species from across North America to further investigate the ranges and migrations of common birds. They create a field guide of North American birds.