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What You
Need:
·
Baking soda
· Vinegar
· A ziplock bag
Question:
Where do the bubbles in soda pop come from?
1.First,
put two big spoonfuls of baking soda in a plastic ziplock
bag.
2.
Then, seal the bag nearly closed. Leave a small opening.
3.
Pour about half a cup of vinegar into the bag. Quickly
seal the bag closed.
4.
Gently shake the mixture.
5.
Congratulations Kitchen Chemist! You've just made a gas known
as carbon dioxide.
A
Scientific Explanation
When the baking soda and vinegar mix they create a gas known
as carbon dioxide. It is carbon dioxide gas that gives soda
its pop. Carbon dioxide gas is also what creates the fire-damping
foam in some fire extinguishers.
Something
EXTRA! You can do for fun:
Can you explain why carbon dioxide foam would make a good
fire extinguisher?
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