Howard Hughes Medical Institute
Weighing the Evidence for a Mass Extinction Part 2: On Land
What can fossils tell us about periods of extinction? Young scholars interpret fossil layers to make conclusions about changes in life during different geological time periods. They analyze the fossils for abundance and diversity as well...
Howard Hughes Medical Institute
Following the Trail of Evidence
One important skill in analyzing scientific evidence is identifying facts versus opinions. Scholars identify pieces of evidence from the film The Day the Mesozoic Died and then discuss this evidence in small groups at the end of each act...
Discovery Education
The Time of Our Life
Mammals are some of the newest organisms to appear on Earth. Young scholars complete an activity that results in a timeline showing the appearance of different types of living organisms. Provided with a list that spans from prokaryotes...
It's About Time
Volcanic History of Your Community
Did you know there are 20 volcanoes erupting at any given time? Pupils look at various igneous rocks, read local geologic maps, and determine if their area has a history of volcanic activity. A reading passage and analysis questions...
GNS Science
Think like a Geologist: 1
How well do pupils play the role of geologist? Test their abilities in the first installment of a two-part series. Presented with a series of rock formation diagrams, learners write stories to match what they see in the diagrams. The...
Curated OER
Relative Age Dating
Modeling dough and paper cutouts in science class? Learn about how relative age dating concepts, like the Law of Superposition and cross-cutting relationships, can be used to describe the formation of sedimentary layers.
It's About Time
Mass Extinction and Fossil Records
The focus of a fossil-based lesson uses graphs and charts that allow young paleontologists to make inferences about events of mass extinction. They must apply their previous knowledge about fossil records in this final lesson of the...