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Big Idea: Earth and its climate have changed over geological time.

Dinosaur footprint fossil

How did dinosaurs leave fossils behind?

Hands-on Activities

Using a toy dinosaur and some plaster of Paris, learn how dinosaur footprints could become fossils.

Jordan Mallon

Jordan Mallon

Career Profiles

Research Scientist in Palaeobiology

Jordan Mallon is a research scientist in palaeobiology for the Canadian Museum of Nature.