Word Knowledge

1. Word Knowledge Dinosaur Fossils Open Court Anthology Grade 2

2. Build Background Genre: Expository Text How do we know what plants and animals were like many, many years ago?

3. Build Background Genre: Expository Text In “Dinosaur Fossils,” Dr. Alvin Granowsky explains that the plants and animals of long ago left records themselves – in the form of fossils.

4. Build Background Genre: Expository Text Dr. Alvin Granowsky explains that digging up fossils might be hard. But because most fossils are found in pieces, that hardest work is putting them together.

5. Expository Text • Expository text gives information. It tells people something. • It uses facts about real events or people. • It presents information in a clear way. • It gives events in the order in which they happen. • It may be organized by topics.

6. Open Court Vocabulary for Genre: Expository Text “Dinosaur Fossils”

7. fossils Fossils are what are left of a plant or animal that lived a long time ago. ( hardened remains of an animal or plant that lived long ago )

8. hardened Some fossils are hardenedfootprints and some are hardened plant imprints. ( became solid )

9. extinct Scientists must learn about dinosaurs from fossils because dinosaurs are extinct. ( no longer living )

10. scientists Somescientists, people who study things in a careful way, dig for fossils. They are calledpaleontologists. ( people who study things in nature )

11. difficult Putting a dinosaur skeleton together is difficult when some of the bones are missing. ( not easy )