Clouds can be different shapes. They can be different sizes. Sometimes they look white and puffy. Other times they look dark and gray.
Photo Credit: Jonathan Gibson/OJO Images/Image Source
In the Know
Using Measurement Tools
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In the Know
Helping Planet Earth
April 22 is Earth Day. Let’s look at ways we … read more
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Inspired by Nature
Scientists look to nature for ideas. This is called biomimicry. … read more