Can ketchup clean a penny?
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Best of Web
Let’s Begin…
Have you every noticed that some pennies are shiny, but some are dirty? Let's learn why some pennies get dirty AND how we can clean a penny in this video!
About TED-Ed Best of Web
TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.
Meet The Creators
- Video created by SciShow Kids
- Lesson Plan created by Whitney Raser
