2/27 Rocks and Minerals
Surprise: I was playing the mineral mines game when I found out conductivity is a way to test a mineral. I knew t he measure of a minerals or any materials ability to transfer energy was a way to test a mineral, but I didn't know it was called conductivity. It was really surprising because I knew the definition just not what it is called. This teaches me how there may be more to what you already know, Example: You learn something in the third grade, 2 years later you find more to the information you learned 2 years ago (you learn). Summary: This week we learned about rocks and minerals. We learned about the three types of rocks, sedimentary, metamorphic, and igneous. An interesting fact is that igneous rocks cool above and underground. If the igneous rock cools underground it is shiny and crystal like, but if it cools above ground it it bubbly and has holes. We also learned about how to test minerals. You can use many different tests like, hardness, luster, streak, density, cond...