An example of a permeable material is an egg shell.
Permeability refers to the ability of a substance to allow liquids or gases to pass through it. An eggshell, while appearing solid, is actually semi-permeable, which means that it allows air and moisture to pass through its pores. This is crucial for the developing chick inside, as it needs to breathe and exchange gases with the outside environment.
Here's a breakdown:
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What Permeability Means: It's the measure of how easily fluids (liquids or gases) can move through a material.
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Eggshells and Permeability: Eggshells have tiny pores. These pores allow air to enter the egg, which is essential for the embryo to develop. They also allow moisture and gases to escape.
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Why It's Important: Without permeability, a developing chick wouldn't be able to breathe or get the nutrients it needs. The exchange of gases is vital for its survival.
Therefore, the eggshell demonstrates the property of being permeable because it allows the passage of air and moisture.
