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Word Knowledge. Why Did the Dinosaurs Disappear?. Open Court Anthology Grade 2. Word Knowledge. roam to wander rare unusual extraordinary soot ash dirt dust erupt explode blow up. Word Knowledge. 1. roam rare soot erupt
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Word Knowledge Why Did the Dinosaurs Disappear? Open Court Anthology Grade 2
Word Knowledge roam to wander rare unusual extraordinary soot ash dirt dust erupt explode blow up
Word Knowledge 1. roam rare soot erupt 2. protection imagination infection reflection 3. uncover uncertain unkind unwise 4. disappear dislike disbelief disagree 5. dinosaur for more swirl
1. Scientists use fossils to uncover clues about dinosaurs. 2.Dinosaurs were so huge that they could not burrow into the ground for warmth and protection. 3. A dinosaur might have eaten plants or animals.
Word Knowledge 1. roam rare soot erupt 2. protection imagination infection reflection 3. uncover uncertain unkind unwise 4. disappear dislike disbelief disagree 5. dinosaur for more swirl
Dinosaurs were so huge that they could not burrow into the ground for warmth and protection.
Build Background In “Dinosaur Fossils” you learned that scientists learn about the creatures and the climate of the Earth of long ago from fossils. What do you know about why dinosaurs disappeared? Have you read any other books about the extinction of dinosaurs?
Build Background Genre: Expository Text For many years, dinosaurs roamed the earth. Then, they died out. What happened? Why did they disappear? Did egg-raiding species of animals do them in? Did a huge meteorite crash into the Earth?
Build Background Did egg-raiding species of animals do them in? Did a huge meteorite crash into the Earth? This story explores several scientific theories that explain why dinosaurs became extinct.
Build Background Do you know what a theory is? A theory is an idea explaining something. It is an opinion, or idea, based on facts, but not proven.
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.
Open Court Vocabulary for Genre: Expository Text “Why Did the Dinosaurs Disappear?”
climate The climate during the Ice Age was very cold. ( the normal weather conditions of a place )
protection A turtle’s shell gives it protection. ( the keeping of someone or something from harm )
moisture We can see the moisture of dew on the grass early in the morning. ( water or other liquid in the air or on a surface )
erupt Earthquakes made volcanoes erupt all over the world. ( to break out suddenly with force )
crater The meteorite made a huge crater when it hit the Earth. ( large hole )
Meteoritesfall to the Earth pulled by Earth’s gravity. ( rocks from outer space)
discovery A new discovery gave scientists a new idea why the Earth became so cold. ( something that is seen or found out for the first time )
starved The dinosaurs may have starved to death. ( had nothing to eat )
moisture ( water or other liquid in the air or on a surface )
climate ( the normal weather conditions of a place )
erupt ( to break out suddenly with force )
starved ( had nothing to eat )
protection ( the keeping of someone or something from harm )
crater ( large hole )
“Why Did the Dinosaurs Disappear?” Scientists have lots of theories (ideas), but we will never know for sure. You will have to decide which theory you agree with the most.
Roam • To wonder without a direction • To travel without a purpose
disappear • To vanish from sight
poisoned • A harmful substance for a body
burrow • A hole or tunnel in the ground
meteorite • a huge stone or piece of metal that has reached the earth from outer space
crater • the hole or pit in the ground
Comprehension StrategiesGood Readers… • Monitor and Clarify • STOP and reread to determine the meaning of words and more difficult ideas or passages. • “Wait a minute! I didn’t understand that. Let me stop and reread for clarity.” • “I am confused by that. I need to clarify. Summarize Keep track of what you have read and focus on important details • “At the beginning of the story…” • “Then…” Make Predictions Guess what will happen next based on what you have read or heard. • “I predict that ___ will happen…” • “I think ______ will happen…”
Why Did the Dinosaurs Disappear Problems Page ___- Page ___- Page ___- Wonderings Page ___- Page ___- Page ___- Clues Page ___- Page ___- Page ___-