Mohs Hardness Scale Lab Lancaster High School Hayhurst Page 3 Analysis and Conclusion For each item below, select the letter that labels the correct part of the image. _____ 1. Mineral cannot scratch glass but scratches a fingernail. _____ 2. Mineral scratches glass but is scratched by quartz. _____ 3. Mineral scratches quartz and topaz. _____ 4.
What are the differences between a light microscope a compound microscope a stereoscopic light microscope a transmission electron microscope and a scanning electron microscope? A light microscope uses a series of lenses to focus light allowing small objects to appear larger.
Nearly all microscopes are compound (have more than one lens) these days, but the term compound microscope tends to be reserved for higher power, non-stereomicroscopes such as the one shown in Figure 3.