Your Guide to Science Fair Topics, Ideas, Experiments, and Winning Displays
Question: Are we running out of water? Answer: Earth is not losing water. The water that dinosaurs drank is still on Earth somewhere. Water moves back and forth between the Earth’s surface and the air in what scientists call a water cycle. When you drink water your body uses it for a time and then [...]
Definitions are given in reference to water. Evaporation: The change of liquid water to water vapor at temperatures below the boiling point of water (212o F (100 o C). Evaporation occurs on the surface of water where the molecules of water are linked to each other. The liquid surface water molecules must absorb enough energy [...]
A simple diagram with definitions describing the different forms of water as it moves through the water cycle.
ABOUT ME: Hi, I am Janice VanCleave, author of 50 best-selling science experiment books for children ages 4 through high school. I taught science for 27 years.
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