Science Projects With a Bouncing Egg
Creating a bouncing egg is simple and lots of fun. Students can watch as the shell of an egg is dissolved, making a pliable, bouncy egg. Science projects using bouncing eggs come in different forms. Projects may cover topics such as observing the reactions taking place and testing different variables to create the highest bouncing egg possible.
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Creating Bouncing Eggs
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Create a bouncing egg by first hard-boiling eggs. Allow the eggs to cool and place each egg into a plastic cup. Cover the eggs with vinegar and allow the eggs to sit for three days before removing. The shell of the egg will be eaten away, and the egg will be very pliable and will bounce when dropped from short distances.
Vinegar Test
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Bouncing eggs are created by the acetone in the vinegar reacting with the calcium in the chicken egg shell. Test to see whether different types of vinegar affect the amount of bounce in the egg. Purchase a number of vinegars, such as apple cider, balsamic, red wine and white vinegar to test. For each vinegar type, create a dozen bouncing eggs. Create a dropping apparatus, such as a platform set at a consistent height, and drop the eggs. Measure the distance the eggs bounce. Average the results for each batch of eggs to determine which type of vinegar creates the bounciest egg.
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Brown Chicken Eggs
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Chicken eggs come in both white and brown. Select the vinegar that you want to use for the experiment. Purchase a dozen white chicken eggs and a dozen brown chicken eggs. Create a drop apparatus so that the eggs are dropped from a consistent height. Measure the bounce for each egg. Average the findings for each egg shell color. Is there a difference in the amount of bounce based on the color of the egg? Why or why not?
Vinegar Egg Bath Time
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To create a bouncing egg, you should leave the egg in vinegar for at least three days. Test to see how long it takes for the egg shell to completely dissolve and find out whether the egg becomes bouncier if it is left in the vinegar for a longer period of time. Use two dozen eggs and break the eggs into six different groups. Place each egg into a vinegar bath. Test the first group after 24 hours. Make observations regarding the state of the shell and test the bounce of the egg by dropping it from a dropping apparatus. Continue testing groups of eggs each day. When did shells disappear completely? Which eggs were the bounciest?
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References
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