Experiment Water cycle in a Ziploc bag
Target Group: Primary School
Subject: Geology & Water Movement
Ocean Literacy Principle: 1,2,4
Students observe water evaporation in a Ziploc bag tied to the window.
Demonstration experiment about water evaporation. Fill a Ziploc bag with a few centimeters of water and food coloring. Tape the bag against the window and leave it in the sun for a few hours. The water will move to the side of the bag (clouds) and fall if you touch it (rain). You can find the activity on page 8 of the Educator's Guide.
Ziploc bag, strong tape, (food coloring,) water.