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Stephanne Marsh EDN 303 October 28, 2011 UNCW

Alligators and Crocodiles: Can You Tell the Difference? 4 th Grade Language Arts and Science Integrated Lesson. Stephanne Marsh EDN 303 October 28, 2011 UNCW. Skip Intro Quit. NC SCOS Standards 4 th Grade. Language Arts:

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Stephanne Marsh EDN 303 October 28, 2011 UNCW

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  1. Alligators and Crocodiles: Can You Tell the Difference?4th Grade Language Arts and Science Integrated Lesson Stephanne Marsh EDN 303 October 28, 2011 UNCW Skip IntroQuit

  2. NC SCOS Standards 4th Grade Language Arts: • 2.02 Interact with the text before, during, and after reading, listening, and viewing by: making predictions. formulating questions. supporting answers from textual information, previous experience, and/or other sources. drawing on personal, literary, and cultural understandings. seeking additional information. making connections with previous experiences, information, and ideas. • 2.03 Read a variety of texts, including: nonfiction ( autobiographies, informational books, diaries, journals). • 2.06 Summarize major points from fiction and nonfiction text(s) to clarify and retain information and ideas. Science: • 1.02 Observe and record how animals of the same kind differ in some of their characteristics and discuss possible advantages and disadvantages of this variation. Skip IntroQuitForwardBackMenu/Site Map

  3. Alligators and Crocodiles MENU • Title Page: Slide 1 • NCSCOS Standards: Slide 2 • Table of Contents: Slide 3 • Similarities of Alligators and Crocodiles: Slides 4-8 • Differences of Alligators and Crocodiles: Slides 9-11 • Assessment for Alligators and Crocodiles: Slides 12-26 • Post Assessment - Reinforcing, Re-teaching: Slides 27-28 • References : Slide 29 • Exit: EXIT

  4. Alligators and Crocodiles Interesting trivia: All alligators are crocodiles, but not all crocodiles are alligators. Alligators and Crocodiles are both members of the reptilian order CROCODYLIA, they just belong to different families. QuitForwardBackMenu/Site Map

  5. Alligators and Crocodiles • Alligators belong to the Alligatoridae family. • Crocodiles belong to the Crocodylidae family. • Both Alligatoridae (Alligators) and Crocodylidae (Crocodiles) belong to the CROCODYLIA order. QuitForwardBackMenu/Site Map

  6. Alligators and Crocodiles Plain English: Pretend your last name is Jones. Your mom’s last name is Davis-Jones. Your aunt, or your mom’s sister’s last name, is Davis-Smith. They are still sisters, they just have different names, because they belong to different immediate families. Their ORDER (Davis) is still the same, because they are sisters. QuitForwardBackMenu/Site Map

  7. Alligators and Crocodiles Interesting Similarities & Facts About Crocodilians: • Crocodilians (alligators and crocodiles) go back 250 million years! They were around during the dinosaur age, but they survived! • Crocodilians are both adapted to life on land and water. • Crocodilians swim up to 20 miles per hour (mph). • Crocodilians run up to 11 mph. • Crocodilians hold their breath for up to 1 hour! • Crocodilians have eyeson top of their heads. QuitForwardBackMenu/Site Map

  8. Alligators and Crocodiles • Crocodilians have powerful tails that propel them through the water. • Crocodilians will eat just about any animal. • Crocodilians use their teeth to spear food and do not need to chew! • Crocodilians can go up to a yearwithout eating! • Crocodilians have slits for ears, but their hearing is very sensitive. • Crocodilians have a limitless supply of teeth. If one falls out, they can re-grow another. Forever! QuitForwardBackMenu/Site Map

  9. Alligators and Crocodiles Interesting Differences & Facts About Crocodilians: • Alligators live mostly in freshwater swamps, lakes and slow-moving streams in the Southeastern United States, South America and China. • Crocodiles have a wider range, but prefer saltier water. They are located in Africa, North America, South America and Asia. • FACT: The only location or place in which you will find BOTH alligators AND crocodiles is at the southern tip of Florida. QuitForwardBackMenu/Site Map

  10. Alligators and Crocodiles • Crocodiles have a “V” shaped snout. • Alligators have a “U” shaped snout. • Crocodiles: both upper and lowerteeth are visible when it’s mouth is closed. • Alligators: only upper teeth arevisible when their mouths are closed. QuitForwardBackMenu/Site Map

  11. Alligators and Crocodiles • Both crocodiles and alligators have small pits or sensory organs called dermal pressure receptors (dots) in their skin. These sensory receptors help them track prey in the water. • The alligator only has these “dots” on it’s jaw. • The crocodile has these dotsall over it’s body. QuitForwardBackMenu/Site Map

  12. Can You Tell? Alligator or Crocodile? Only 1 Row of Teeth!! 2 Rows of Teeth!! QuitForwardBackMenu/Site Map

  13. Your Turn! Alligator or Crocodile? Alligator Bellow ALLIGATOR QuitForwardBackMenu/Site Map

  14. Your Turn! Alligator or Crocodile? Crocodile Growl CROCODILE QuitForwardBackMenu/Site Map

  15. Your Turn! Assessment • All alligators are crocodiles but not all crocodiles are alligators. TRUE or FALSE QuitForwardBackMenu/Site Map

  16. Sorry! That is incorrect. Please try again. QuitForwardBackMenu/Site Map

  17. Congratulations! That is CORRECT! QuitForward BackMenu/Site Map

  18. Your Turn! Assessment 2. Alligators and crocodiles belong to the same order, Crocodylia. TRUE or FALSE QuitForwardBack Menu/Site Map

  19. Sorry! That is incorrect. Please try again. QuitForwardBackMenu/Site Map

  20. Congratulations! That is CORRECT! QuitForwardBackMenu/Site Map

  21. Your Turn! Assessment • How long have crocodilians been around? • 65 million years • 6,000 years • 250 million years QuitForward BackMenu/Site Map

  22. Sorry! That is incorrect. Please try again. QuitForwardBackMenu/Site Map

  23. Congratulations! That is CORRECT! QuitForwardBackMenu/Site Map

  24. Your Turn! Assessment • Alligators live in freshwater and crocodiles live primarily in saltier water. True or False QuitForwardBackMenu/Site Map

  25. Sorry! That is incorrect. Please try again. QuitForwardBackMenu/Site Map

  26. Congratulations! That is CORRECT! QuitForwardBackMenu/Site Map

  27. Reinforcement • All alligators are crocodiles, but not all crocodiles are alligators. • Alligators and Crocodiles are both members of the reptilian order CROCODYLIA. QuitForwardBackMenu/Site Map

  28. Reinforcement • Crocodilians have been around for 250 million years. • Alligators live in fresh water and crocodiles live primarily in saltier water. San Diego Zoo Fast Facts Alligator and Crocodile Video QuitForwardBackMenu/Site Map

  29. References NCDPI. (n.d.), 4th Grade Language Arts and Science Standards. Retrieved October 20, 2011 from: http://www.ncpublicschools.org/curriculum/ National Geographic. (n.d.), American crocodile. Retrieved October 28, 2011 from: http://video.nationalgeographic.com/video/player/animals/reptiles-animals/alligators-crocodiles/croc_american.html San Diego Zoo. (n.d.), Quick facts: reptiles alligator and crocodile. Retrieved October 19, 2011 from: http://www.sandiegozoo.org/animalbytes/t-crocodile.html You Tube. (n.d.), Alligator bellow. Retrieved October 28, 2011 from: http://www.youtube.com/watch?v=l3rzkrm98J0 You Tube. (n.d.), Crocodile howl. Retrieved October 28, 2011 from:http://www.youtube.com/watch?v=XEj5imOSJ40 QuitForwardBackMenu/Site Map

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