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6th Grade Ch. 4 Sec. 1 Birds


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6th Grade Ch. 4 Sec. 1 Birds

  1. 1. Ch. 4 Sec. 1 Birds
  2. 2. Why did the gum cross the road ? <ul><li>It was stuck to the chicken’s foot. </li></ul>
  3. 3. Birds By looking at these pictures, what are some characteristics that birds have in common? WORDLE
  4. 4. Characteristics of birds <ul><li>MOST can fly b/c of hollow </li></ul><ul><li>bones & large chest muscles </li></ul><ul><li>scales on feet & legs </li></ul><ul><li>lay eggs- internal fertilization </li></ul><ul><li>4-chambered heart </li></ul><ul><li>feathers </li></ul><ul><li>vertebrates </li></ul><ul><li>endothermic </li></ul>
  5. 5. Characteristics of Birds video clip
  6. 7. types of feathers contour flight down
  7. 8. 1. contour feather <ul><li>give shape to bird’s body </li></ul>
  8. 9. 2. flight feather <ul><li>contour feather that extends beyond bird’s body on wings & tail </li></ul><ul><li>help bird balance & steer </li></ul>
  9. 11. 3. down feather <ul><li>trap heat & keep bird warm </li></ul><ul><li>trap air  good insulator </li></ul>
  10. 12. A pine grosbeak puffs out its chest to trap air in the layer of down feathers next to its skin. A Down-Filled Jacket Wearing a jacket stuffed with down feathers helps this boy stay warm.
  11. 13. How Birds Obtain Oxygen
  12. 15. respiratory system <ul><li>air sacs connect to lungs </li></ul><ul><li>allows birds to extract more oxygen from air </li></ul>
  13. 16. circulatory system <ul><li>4 chambered heart- 2 atria & 2 ventricles </li></ul><ul><li>2 loops - oxygen rich blood doesn’t mix with oxygen poor blood </li></ul>
  14. 17. How Birds Obtain Food
  15. 18. crop <ul><li>stores food after swallowing it </li></ul><ul><li>&quot;doggy bag&quot; </li></ul>
  16. 19. gizzard <ul><li>2 nd part of stomach </li></ul><ul><li>squeezes & grinds partially digested food </li></ul><ul><li>swallow small stones to help crush food </li></ul>
  17. 21. <ul><li>Two vultures were in the desert eating a dead clown. The first vulture asks the second vulture: &quot;Does this taste funny to you?&quot; </li></ul>
  18. 22. Egg - day 1 Egg - day 4 eggs develop @ temp. close to body temp. of parent lay hard shell eggs internal fertilization Reproduction & caring for young
  19. 23. A parent bird incubates the eggs by sitting on them to keep them warm.
  20. 24. Hummingbirds lay the smallest eggs of any birds–their egg is no bigger than a jelly bean!
  21. 25. Why do hummingbirds hum? Because they don't know the words.
  22. 26. <ul><li>Largest egg </li></ul><ul><li>An ostrich egg is bigger than a grapefruit and weighs as much as two dozen chicken eggs! </li></ul>
  23. 27. <ul><li>The ostrich egg is the largest egg hatched by any bird on earth. So just imagine how gross it would be to eat an entire ostrich egg raw! </li></ul>Fear Factor contestant drinking an entire raw ostrich egg. Yuk!
  24. 28. What do you get when you cross a Golden Eagle with a razor? <ul><li>A Bald Eagle! </li></ul>+
  25. 30. bird adaptations
  26. 31. <ul><li>Shape of feet & legs </li></ul>ostrich Northern Three-toed Woodpecker duck
  27. 32. bird feet
  28. 33. Why did the chicken cross the road? <ul><li>To prove to the Opossum that it could be done! </li></ul>
  29. 34. <ul><li>beak adaptations </li></ul>Belted Kingfisher Peregrine Falcon Brown Creeper Blue-winged Warbler Ruby-throated Hummingbird Hudsonian Godwit
  30. 35. Bird Beaks <ul><li>come in all sorts of shapes, sizes, & colors </li></ul><ul><li>different shapes determine what types of food that bird can eat </li></ul>
  31. 36. bird beaks
  32. 37. <ul><li>A duck walks into a drug store and buys a Chapstick. The clerk says, &quot;Will that be cash or charge?&quot; </li></ul><ul><li>The duck says, &quot;Just put it on my bill!&quot; </li></ul>
  33. 38. Why birds are important <ul><li>nectar-eating birds carry pollen </li></ul><ul><li>seed-eating birds carry seeds to new places </li></ul><ul><li>chief predators of pest animals (rats & mice) </li></ul>
  34. 39. Keeping the Streets Clean
  35. 40. Cardinal Pope
  36. 41. Dancing is For the Birds
  37. 42. Toronto’s Mascot
  38. 44. Swan Lake
  39. 45. Teen Parrot
  40. 46. Eagle Woods
  41. 47. <ul><li>Toronto Blue Jays Vs. Baltimore Orioles...Blue Jays up to bat! </li></ul>
  42. 48. Night Watchman
  43. 49. Your pilot today…
  44. 50. Bathroom Break
  45. 52. Barn Owl
  46. 53. OWL PELLETS- products of a special gizzard <ul><li>Several hours after an owl eats, the fur, bones, </li></ul><ul><li>teeth & feathers of its prey, still in the gizzard, are </li></ul><ul><li>compressed into a pellet the same shape as the gizzard. </li></ul><ul><li>Once formed, the pellet moves up from the gizzard and is regurgitated. </li></ul><ul><li>Owls can't eat while a fully formed pellet is present, blocking the digestive tract. </li></ul><ul><li>When an owl is ready to produce a pellet it usually closes its eyes, gets a funny look in its face, doesn't want to fly, and when the pellet is ready to come out, the beak is opened and the pellet simply drops out. </li></ul>
  47. 55. owl pellet dissection
  48. 56. OWL PELLET OBSERVATION <ul><li>1. MEASURE THE OWL PELLET (IN MILLIMETERS) </li></ul><ul><ul><li>a. LENGTH OF THE PELLET ___________mm </li></ul></ul><ul><ul><li>b. DIAMETER OF THE PELLET _________mm </li></ul></ul><ul><li>2. IDENTIFY AT LEAST THREE PHYSICAL CHARACTERISTICS OF THE </li></ul><ul><li>PELLETS - SMELL, COLOR, TEXTURE, ETC. </li></ul><ul><ul><li>1. </li></ul></ul><ul><ul><li>2. </li></ul></ul><ul><ul><li>3. </li></ul></ul><ul><li>3. WHAT DO YOU THINK IS INSIDE OF THE PELLET? </li></ul><ul><li>4. IN WHICH PART OF THE OWL DOES THE PELLET FORM? </li></ul><ul><li>5. WHY DOES THIS PELLET FORM? </li></ul><ul><li>6. AFTER OPENING THE OWL PELLET, WHAT TYPES OF BONES & </li></ul><ul><li>TEETH WERE ATTAINED? </li></ul>
  49. 57. Egg activity <ul><li>Activity: Air Holes in Eggs </li></ul><ul><li>Eggs are covered with tiny holes, too small to see with the naked eye, that allow oxygen to pass into the growing baby and carbon dioxide to pass out. To see these breathing holes in action, make a small hole in one end of a chicken egg. Use a needle to break up the yolk, and shake all the yolk and white out of the egg. Seal the hole completely with tape. Now, place the egg in a bowl of water and hold it under. You will be able to see air bubbles rise right out of the egg’s shell as the air trapped inside seeps out through the tiny holes! </li></ul>