My science notebook.

When did dinosaurs appear? -- What did earth look like during the dinosaur era? -- What other reptiles were living on earth with the dinosaurs? -- How do scientists study dinosaurs? -- Do we know all the dinosaurs that ever lived? -- Why is Brontosaurus also called Apatosaurus? -- What does a dinosaur eat? -- Are dinosaurs classified in families? -- How did dinosaurs walk? -- What was the "bird beak" on dinosaurs used for? -- Which dinosaur had the biggest teeth? -- Is it true that dinosaurs swallowed stones? -- Were there very little dinosaurs, too? -- Were there herds of dinosaurs? -- Is it true that some dinosaurs had armor? -- How did herbivores defend themselves against carnivores? -- What were the plates on the back of Stegosaurus used for? -- What was the fastest dinosaur? -- What color were dinosaurs? -- Which dinosaur had the longest neck? -- What was the horn on the head of some dinosaurs used for? -- Did dinosaurs lay eggs? -- Is it true that Oviraptor stole the eggs of other dinosaurs? -- Why did dinosaurs disappear, and when? -- Could dinosaurs reappear on earth? -- Do any dinosaurs still exist today? -- Where should I look for dinosaur fossils? -- When were the very first dinosaur fossils found? -- Where can I see complete dinosaur skeletons?

840

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