Introduce your students to the techniques geologists use such as streak, cleavage, and vinegar tests. Set up a hardness chart, grow crystals, and discover which rocks conduct electricity best.
Students investigate concepts of time, geologic scale, and the history of rocks.
How We Use Rocks and Minerals Students identify common rocks and minerals they use every day. Time - A Frame of Reference Students look at different analogies in order to grasp the age of the Earth. The Structure of the Earth Students compare an apple and egg to the structure of the Earth. Students play a guessing game to discover the identity of a mystery student. Mineral Colors and Lusters Students describe the color and luster of a variety of rock samples.