Dinosaur Activities - Graphic Organizers - Science Worksheets - Dinosaurs. Graphic organizers help students learn to group and judge with their 48 hands-on dinosaur flashcards. Classify T-Rex, Brontosaurus, or even Barney with 14 worksheets. Graphic organizers are ideal for science centers, partners, sub days, ESL, Resource, and GATE. Use as a filler before big vacations or unit transitions. One to several days worth of science material.Preview same as Download.Contents:• Background Informati