This science experiment for kids is a crowd pleaser. Making a hard boiled egg bounce is very impressive. Even very small children know that eggs crack when broken – well imagine their surprise when, through this science experiment, you turn a hard boiled egg into a bouncy ball! This was day 5 of our Science Experiments for Kids. Check here for Day 1 (leaves), Day 2 (states of matter), Day 3 (insects), and Day 4 (ice)
Even better – this science experiment is oh so simple. The only thing is that it takes 5 days. So you better get started now!
Hard boiled egg
Small Jar with a lid
This science experiment for kids is great – they can do it all! Let your hard boiled egg come to room temperature. Place it in the jar and pour the vinegar until the egg is submerged.
Have your wee one watch – what can be seen? Little bubbles are likely surrounding the egg. This is the acid in the vinegar attacking the calcium in the egg shell.
Put the lid on your jar and wait 5 days.
Wait, wait, wait
After the long awaited 5 days, your egg-a-licious science experiment can continue. Gently rinse the egg with warm water to wash away the shell. Notice how soft it is.
Finally, let your little one bounce the egg. Isn’t it impressive?! See how high it can go!
The science behind this science experiment for kids:
The acid in the vinegar eats away at the calcium in the egg shell, creating a rubbery egg.
This science experiment is a great way to show kids the importance of caring for their teeth and brushing regularly!
The science behind this experiment is likely too complex for toddlers and preschoolers, but I still think it is a great science experiment for kids. It is very important that kids see and learn neat and interesting things and we help them maintain their natural curiosity and wonder for the world around them. Sometimes a little magic and mystery is just what is needed!
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