Studying rocks and minerals encourages a love for nature, enhances observational skills, and introduces key concepts in earth science. Identify and classify rocks from the three major rock groups: igneous, sedimentary, and metamorphic. Then, verify the classification using the control charts. The following 18 rocks are included: andesite, basalt, gabbro, granite, obsidian, rhyolite, breccia, conglomerate, limestone, rock salt, sandstone, shale, gneiss, hornfels, marble, phyllite, quartzite, and slate. Includes: 18 picture cards of the rocks information cards pronunciation cards category cards 2 control charts 3 classification charts 2 blank classification charts The rock picture cards are in a 3-part format: 18 cards with labels 18 cards without labels 18 labels To use these three-part cards, match the labels to the corresponding pictures. Verify the matches with the control cards and their attached labels. Sorting cards are approx. 3¼" x 3¾", charts are 8½" x 11". This file is in PDF format.