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  • The Lab
    • Our research with children
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    • Lab Director
    • Postdoctoral Fellow
    • Graduate Students
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    • Research Assistants
    • Research Collaborators
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  • For Parents
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    • Fun Activity Ideas for Kids
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Fun Activity Ideas

Lemon Volcano

1/2/2016

 
Picture
​This easy and fun science activity is a great way for your child to learn something new while celebrating a special birthday!
 
Lemon Volcano 

​You will need:
· Lemons (preferably 2 per volcano)
· Food Colouring
· Craft Stick (popsicle stick)
· Dish soap
· Cup and spoons 

Instructions:
1. First, slice a little bit of the bottom of the lemon off so it sits flat on the counter (adults only!). Then turn the lemon      over and cut out the core. Next, cut the second lemon in half, and juice both pieces. Set the lemon juice aside for         later.
2. Using the craft stick, press and mush the inside of the lemon so that all the juice is released. Be careful to try and             keep all the juice inside the lemon.
3. Drip some food colouring into the lemon with your colour of choice and squeeze in some dish soap. This will             make the reaction frothier, and last longer.
4. Before you add the baking soda, make a prediction of what you think might happen!
5. Next, drop in a spoonful of baking soda. Stir with your craft stick in the lemon. The reaction should be starting now     and it should be frothing up all over the lemon.
6. Add your extra lemon juice or more baking soda if you want to keep the reaction going.

How does it happen?
· The citric acid in the lemon reacts with the baking soda to form carbon dioxide bubbles.
· These bubbles cause the liquid to fizz and bubble!

For more information, and pictures, please visit http://babbledabbledo.com/science-activity-kids-lemon-volcano/
​


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