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How chicks breathe from inside their shell.

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Taylor Feeley

on 2 June 2013

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Transcript of How chicks breathe from inside their shell.

How Do Chicks Breathe From Inside Their Shell? How baby chicks grow By: Taylor Feeley We discovered a nest of duck eggs in our backyard. I was curious on how the chicks would breathe, eat, and grow inside the egg shells. So I decided to do my science project on them. Research Parts of an egg SHELL-protects the chick/gives air to the chick with its pores

SHELL LINING-protects the chick/waterproof so water can't get in

EGG WHITE-protects the chick/provides the chick with water.

EGG YOLK-provides food for the chick

AIR SAC-a sac of air at the bottom of the shell.

EMBRYO-where the chick grows out of, on the egg yolk Breathing The shell of the egg is porous. Porous means that there are many tiny openings in the shell. The oxygen passes through the pores and to the chick, the chick then breathes it in. When the chick breathes out the carbon dioxide it flows through the pores and out into the air. Hypothesis If I put the eggs in water with green food coloring and liquid dish detergent then, I will see green on the inside of the shell. Materials a large pot or bowl
food coloring (any color)
liquid dish detergent
measuring spoons (teaspoons)
3 eggs (older preferred)
tongs or a large spoon
plate or paper towel
cup Procedure 1. Carefully put the 3 eggs in the pot with water, dish detergent, and food coloring.
2. Make sure that the eggs are fully covered with the liquid. If part of an egg is above the surface then add the same proportions as you did before, until the eggs are fully covered.
3. Set a timer for 1 hour.
4. After the eggs have soaked for an hour, carefully lift one egg out of the liquid using tongs or a large spoon.
5. Crack the raw egg into a cup. Try not to damage the egg too much.
6. Set the egg shell on a plate or paper towel. Carefully inspect the inside of the shell.
7. Crack open the other two the same way. Preparation Pour 1 1/2 cups of water in a large bowl or pot.
Add 1/4 teaspoon of liquid dish detergent and 1/4 teaspoon of food coloring.
Mix well. What made me think of this project My Experiment Egg #1 Egg #2 Egg #3 What did the shell look like on the outside? What did the shell look like on the inside? It was clean and had bubbles It was very light blue It was light blue It had green coloring all over It had tiny green dots all over It was completely white Egg #2 Egg #3 Egg #1 Conclusion My hypothesis was correct. The food coloring did leave spots on the inside of the shell. This happened because the shell is porous and the food coloring went through the holes by way of the air bubbles from the liquid detergent soap. The End Chicks eat the egg yolk and drink the egg white. My hypothesis:
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