Discuss the students responses. Encourage the students to create a pamphlet encouraging residents to water lawns at times when the most water would be saved by preventing evaporation. Be certain the pamphlet meets any water restrictions. The pie tins are different temperatures. The pie tin with the warm water lost the most water to evaporation.
Warm air makes water evaporate more quickly than cool air.
Water the lawn at night, early morning, or late evening when the temperature is lowest. Make a pamphlet for people about the best time to water their lawns in order to save water. Write a letter to a farmer you know. Other factors that affect evaporation rate are humidity and moving air. 1.Place two containers with identical amounts of water in the same spot.