1. Dinosaur Fossils Word Knowledge 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. Genre: Expository Text
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. Genre: Expository Text
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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
“Dinosaur Fossils”
Genre: Expository Text

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

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

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

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

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