Indentify rock types science game for 2nd grade, types of rocks activity for kids in second grade. This game contains pictures which players have to look at and select the correct answer. Featuring rocks include slate, laterite, gneis, quartz, marble, granite, limestone, coal and more. This is also a pirate game that adds fun to the learning process. Answer questions correctly ad sink the opponent's ship. Get more practice with a worksheet on rock types. -