Curated OER
WET Science Lesson #5: Pass the Salt Please! (How Road Salt Affects Wetlands)
As an anticipatory set, biologists listen to the story of Ruth Patrick, a scientist who used algae to detect water quality. They observe a demonstration of osmosis and diffusion. In their lab groups, they place Elodea stalks in...
Curated OER
Prokaryotes and Eukaryotes
Examine cyanobacteria cells as an example of prokaryotes and several other alga as examples of eukaryotes. Future biologists compare the two and notice the absence of nuclei in prokaryotes. These are classic activities for this purpose,...
Curated OER
Chloroplasts
Learners study chloroplasts, their structure and evolution. In this photosynthesis lesson students experiment with polarized light and the production of chlorophyll.
Curated OER
Can Photosynthesis Occur at Saturn?
Students identify the different requirements for photosynthesis to take place. In this space science lesson, students simulate conditions in Saturn to investigate if photosynthesis is possible there. They use data and observations...