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Sizing up a dinosaur
Students will answer questions about the Science News article “This ancient dinosaur was no bigger than a hummingbird,” which reports on a fossil of a many-toothed, Mesozoic predator.

Here Come the (Bigger) Mammals
This guide, based on the Science News article “Here come the (bigger) mammals,” asks students to analyze a graph about a recent fossil find, discuss how organisms evolve as ecosystems change and research important fossil sites across the world.
Growing up mammal
Students will answer questions based on the Science News article “Here come the (bigger) mammals.”
Stories in rock
In this activity, students will research important fossil sites across the world and synthesize what they find into a story to present to the class.

Robot Re-creates a Tetrapod’s Moves
This guide explores how scientists combine approaches from different scientific fields to study ancient locomotion.
Step into the shoes of a scientist studying ancient locomotion
These discussion prompts encourage students to apply their knowledge of experimental design.
Following an ancient path
Students will answer questions based on the Science News article "Robot re-creates a tetrapod's moves."

What Makes a Dinosaur?
This guide explores what it means to be a dinosaur, and features a classroom activity focused on real fossils.
Land of the lost
In this activity, students will identify fossils using hand magnifiers or stereomicroscopes, determine which era each fossil is from and how the fossils might have formed over time.
Journey to the age of the dinosaurs
These discussion prompts cover the major groups of dinosaurs and their time on Earth, as well as how we study them today.
Dino discoveries add up
From feathers to extinction, there's a lot to learn about dinosaurs in the Science News archive.
A dinosaur defined
Students answer questions about how the definition of a dinosaur is changing with new scientific evidence.