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. T
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Moisture
What Is Humidity?
Humidity is the amount of moisture, or water vapor (water in the form of a gas) in the air around us. There is always some water vapor in th
Why Can We See Our Breath on a Cold Day?
Why Can We See Our Breath on a Cold Day? When you exhale when it’s cold outside, the water vapor in your breath condenses into lots of tiny
Where Does Rain Come From?
Rain comes from clouds. There is always some moisture in the air. It evaporates from lakes and oceans. The water floats in the air as invisi
Why Is There Sand in Our Eyes When We Wake Up?
Why Is There Sand in Our Eyes When We Wake Up? The “sand” that we sometimes find in the corners of our eyes when we wake up in the morning c