Experiment - Make a Penny Like New

<p>Here's an easy experiment you can try at home (with parent permission of course). All you need is about half a cup of vinegar, a quarter cup of salt, and some old pennies.</p> <p>Visit <a href='http://www.moosejawmatt.com'>www.moosejawmatt.com </a>and <a href='https://www.patreon.com/natureandscience4kids'>https://www.patreon.com/natureandscience4kids</a>.</p> <p>Find Moosejaw Matt on Facebook, Instagram, and Youtube.</p> <p>Music and picture from pixabay.com. Sound effects from freesound.org.</p>