It's chemical because you have to heat a liquid until it's super hot then you put the penny's in a cooler liquid and then it changes color.
liquid
salty water turns cold with vinegar.
magma is hot liquid rock that makes what power possible?
Water is the liquid that makes plants grow faster. Also Plant Food make the Plant Grow Faster.
vinegar, soda, and water after 2 weeks
The diamond was the shiniest jewel I had ever laid my eyes upon.
The 'most shiniest' diamond is one that is kept clean, and exposed to light that compliments its cut.
Generally, you can find the shiniest diamonds at the jewelery store, because only 20% of all diamonds mined are gemstones..
penny
Shiniest
shinier, shiniest
Help me
shinier shiniest
The root word is shiny
Shiniest or most shiny.
oil