Bleck! The penny's still dirty. Baking soda did not clean the penny. Baking soda is a base. Try cleaning the penny with another substance. CLICK on a cup below. Baking Soda Vinegar Lava Soap Lemon Juice Lesson plans. . .
Shaina /shai-na/ [2 sylls.] as a girls' name is pronounced SHAY-nah. It is of Yiddish origin, and the meaning of Shaina is beautiful.
patina noun [C usually sing] / pÉËtiÂ·nÉ, ËpÃ¦tÂ· É nÂ·É / âº a thin layer of a substance, usually green, that develops on the surface of some metals, caused by their reaction to air