![]() Aesop used the ‘crow and the pitcher’ story to explain that “necessity is the mother of invention”. But at least one such tale has now been found to be scientifically correct as well. Students may also be interested in researching how scientists have proven that crows are able to understand volume displacement, meaning that it’s possible for this fable to be based on real life observation and not just the author’s imagination.Esop’s fables have ageless values to teach children about the basics of life. For younger students, keep the explanation simple: “that’s how much space the pebbles would take up if you could smoosh them all together.” Older students can learn that 1 milliliter equals 1 centimeter cubed, so the solid volume of the rocks in cm 3 is the same number as the milliliters of displaced water. This amount tells you the volume of the pebbles added to the pitcher. Pour off water into the measuring cup until the water level has gone back to the original position. Have students bring their crows back to the pitcher when the water level is high enough that the bird can “drink.” Observe how the water rises as the pebbles displace volume. Have students add pebbles at the right moment in the story. Students can bring their crows to the pitcher as the bird attempts to drink. Tell the story of The Crow and The Pitcher. ![]() Use a strip of electrical tape to mark the water level on the side of the jug. If this project is being done for a Science Fair, you could buy a puppet instead as that makes for better storytelling. A white crayon will stand out on the black paper to draw feathers, eyes, and beak details. Have students use construction paper, crayons, and scissors to draw and cut out images of crows. ![]() – A large measuring cup with graduated measurement lines There’s also a fun video I’ve made to go with this episode at my YouTube channel, starring myself, my daughter, and a very cute puppet.Īctivity: Volume Displacement as taught in “The Crow and The Pitcher” This fable also teaches about the concept of displacement in physics! “The Crow and the Pitcher” by Aesop doesn’t just have a wholesome moral that teaches children to solve problems with resilence and creative thinking. ![]()
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