The tiny pieces of different colors and shapes are minerals. Most rocks are a mixture of various minerals. Scientists who study rocks are called geologists . The three main groups of rocks are igneous , sedimentary , and metamorphic . A chart is provided for classifying the minerals you have observed as you use the geoscope with your choice of either white or ultraviolet light.
Life Changes Many things have changed throughout time.
A wall mural is provided, along with a chart for identification of the Progression of Life's geological time. Choose an animal or plant on the mural and use the chart for correct identification. Various plants and animals included are homaloneura, braciopods, wooly mammoth, modern man, and magnolia flowers. After you have identified different plants or animals, try to determine their geological time zones of life. As landfill space continues to become more scarce, recycling our waste has become vitally important.