You are watching: Is baking cookies a physical change
Materials: Paper Towel, Vinegar, Penny, Plate
Directions: Pour a small amount of vinegar onto a plate or shallow dish. Use the paper towel to soak up the vinegar. Put the penny in the vinegar soaked towel. Be patient and also observe. What perform you think will certainly happen? This experiment functions best when you wait a full day for the reaction to take place. Make a prediction and also then inspect ago in 24 hours and also see if you were right!
What happens: As we learned, one way to understand that a chemical adjust emerged is observing whether or not tright here was a color change. In this instance, the penny turned green! This happens because the copper in the penny reacts with the oxygen in the air to develop copper oxide. The vinegar helps via the procedure.
Want more? Research It! How does lighting a match create a chemical change? Email ECHO at info
echovermont.org to let us know what you uncover and also have actually a possibility at being featured in next week’s edition of the Burlington Free Press and also our Facebook Page! We look forward to finding out around your research study.
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Previous ECHO Science Spotlight::Try this fun experiment around friction!
Carlie Wbest is the education programs coordinator at ECHO, Leahy Center for Lake Chamordinary. The facility, which works to engage families in the joy of scientific exploration, partnered through the Burlington Free Press to publish this feature.
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