Zip discovers the pond is getting smaller β but WHERE did the water GO?

Zip discovered the pond had gotten smaller!

They discovered water goes UP into the air!

They marked the water line and decided to wait!
TRY THIS AT HOME! Fill a clear cup with 1 inch of water. Put a small colored sticker on the outside at the current water level. Place the cup in a sunny window. Wait 2 hours, then check β the water level has gone DOWN! Measure how much it dropped. The water didn't disappear β it EVAPORATED into invisible vapor and went into the air! Can you catch the water? Cover the cup with plastic wrap and leave it in the sun β tiny drops will form on the plastic (condensation)!
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