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Life Is Beautiful

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Life Is Beautiful - Page Text Content

S: Life Is Beautiful

BC: This book was created by Ms. Lawrence's 2nd grade class. April 21, 2008.

FC: Which Came First? The Chicken or the Egg? | Created by: Ms Lawrence's 2nd grade class

1: Day 1 We began with 12 eggs from the local Farm Store. We purchased an incubator to hatch the eggs with, this should take aproximately 21 days.

3: Students completed handouts, so they could track the growing process of their classroom baby chicks.

4: Day 2 25 hours-heart begins to form 33 hours- ears begin to form 42 hours-heart begins to beat.

5: Day 3 The head begins to turn, the tongue begins to form, the tail has appeared, and wing and leg buds are visible.

6: Day 5 Reproductive organs and the bones and legs being to form.

7: Day 7 A row of feather germs begins to form on the tail, the leg begins to bend at the knee, and the sclera of the eye begins to form.

8: Day 8 Three rows of feather germ are now visible on the tail, the tooth begins to form, the bone marrow cavity on the leg begins to form.

9: Day 10 The comb is now visible, claws begin to form, flight feathers appear, and eyelids develope.

10: Day 15 The scales, claws, and beak are becoming firm.

11: Major Events Day 17-The beak turns toward the air cell, Day 18-the beak breaks through the inner shell membrane, Day 18 and 19-the lungs being to function, Day 19- the yolk sac begins to enter the body cavity and the embroy occupies all of the egg except the air.

12: Day 21 Tooth begins to pip out and the exhausted chick hatches from the egg.

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  • By: Melissa E.
  • Joined: almost 11 years ago
  • Published Mixbooks: 1
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  • Title: Life Is Beautiful
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  • Published: almost 11 years ago