How Does a Seed Become a Tree?
How Does a Seed Become a Tree? Inside a tree seed are the beginnings of the root, trunk, and leaves of a fully grown tree. They form the part of a seed called the...
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Why Is Milk Pasteurized?
Why Is Milk Pasteurized? Milk is an excellent medium for microbial growth, and when stored at ambient temperature bacteria and other pathogens soon proliferate. Milk is...
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Why Do Dogs Pant?
Why Do Dogs Pant? Dogs pant to cool off when they are feeling hot. When our body temperature gets too high, we sweat. Evaporation of sweat from the skin takes up a lot...
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Why Do Clouds Change Shapes?
Why Do Clouds Change Shapes? Clouds change their shapes because parts of clouds evaporate when they come into contact with warmer air. A cloud is a mass of condensed...
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How Does a Seed Become a New Plant?
How Does a Seed Become a New Plant? Inside the shell, or seed coat, of a seed are the tiny beginnings of the new plant, called the embryo. The embryo lies dormant until...
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