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.
Shana /sha-na/ [2 sylls.] as a girls' name is pronounced SHAH-nah. It is of Hebrew origin, and the meaning of Shana is  lily, rose. Short form of Shoshana, Shannon or an Anglicized form of Shaina. Shana has been made familiar today by journalist and biographer Shana Alexander.