Evaporation: To change from a liquid to a gas.
Clothes on a Line What happens to the clothes when left out on a line? Why?
Floor Being Mopped Will the floor stay wet? Why?
Water on Our Skin After swimming, how can your skin get dry without a towel?
Wet Hair How does wet hair become dry?
A Puddle After a rainstorm, where does the water from puddles go?
Tea Kettle Why does steam come out of a tea kettle?
A Cup of Cocoa Why does steam rise from a cup of cocoa?
The Big Idea… • What did all of these things have in common? • They all showed something wet, or a liquid. • What was changing in each picture? • Liquid was turning into gas during evaporation. • What caused evaporation? • Heat energy