A student makes a model to demonstrate the four stages of
the water cycle. She fills a glass box to less than one-fourth
with water and closes it with a glass lid. The student places a
few ice cubes on the top surface of the glass lid at one end
and positions a lamp on top as shown in the image.
ice cubes
d
lamp
water
The student finds that the design of the model demonstrates
only evaporation, condensation, and precipitation. What
change should the student make in the design to show'
runoff?
Add more water to the glass box.
Add more ice cubes to the glass lid.
Place live plants inside the glass box.
Place a clay pile in the glass box on the left side.