Question

Do sheep get colder when it is raining and their wool is wet? Design an experiment to find out, listing the steps you would need to take to make it a fair test.
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Answer 1

Explanation:

AIM :TO FIND THE SHEEP GET COLDER WHEN IT IS RAINING

• Do you have a favorite sweater you love to wear when it's cold outside? If it's a wool sweater, you probably already know that you have to be very careful with it when you clean it. Why? Wool will shrink when it gets wet!
• So where does wool come from? It comes from sheep, of course. So do sheep shrink when they get wet? If you're a shepherd with a flock in the rain, will you be left with a group of much smaller sheep?
• The shrinking of wool clothing that so many people are familiar with is actually the result of a process called felting. To understand felting, you need to know a bit more about wool as a fiber.
• The shrinking of wool clothing that so many people are familiar with is actually the result of a process called felting. To understand felting, you need to know a bit more about wool as a fiber.The fiber we know as wool that comes from sheep is made up of amino acids, which are the building blocks of protein. As wool grows on a sheep, it gets keratinized, which simply means it hardens. Other examples of keratinized proteins are fingernails and hair.
• The shrinking of wool clothing that so many people are familiar with is actually the result of a process called felting. To understand felting, you need to know a bit more about wool as a fiber.The fiber we know as wool that comes from sheep is made up of amino acids, which are the building blocks of protein. As wool grows on a sheep, it gets keratinized, which simply means it hardens. Other examples of keratinized proteins are fingernails and hair.Wool fibers on a sheep have flat, overlapping scales that always point away from the sheep's body. When these wool fibers get processed and made into clothing, however, the fibers are stretched out. The orientation of the scales gets mixed up and they can be pointing in any random direction.
• When wool clothing is washed and moved about like is normal in a washing machine, the wool fibers rub against each other. The scale edges on the fibers often touch and interlock, holding the fibers in position and not allowing the fibers to slide back to their original, stretched-out positions. When hundreds and hundreds of wool fibers do this, it's called felting and results in a smaller garment that appears to have shrunk.

OBSERVATIONS:

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