Howard Hughes Medical Institute
Stickleback Evolution Virtual Lab
How quickly do animals evolve? Can comparing different samples of the same fossil answer timeline questions? Scholars use virtual labs to examine fossils and learn about stickleback evolution. They compare pelvic morphology in lakes...
Curated OER
Understanding the Geologic Timescale
Students identify and analyze how the geologic time scale was developed by investigating 11 periods of time and the vast expanse of time of the Earth's existence. They study their period, determine the important factors indicative to...
Curated OER
What came first?
Learners sequence events in their own lives and assign each a numerical time, students use the same process to sequence actual events in the evolution of life on Earth.
Curated OER
Linkages Between Surface Temperature And Tropospheric Ozone
Students organize and analyze data regarding changes in tropospheric ozone and then hypothesize about the consequences of these changes.