ROCKS 56 PAGE BOOK AND MATERIALS Electronic-Accessoriesv • Phase-coated prism surfaces reduces

• Phase-coated prism surfaces reduces interference to bring the light paths into phase

25" erect 45 degree image diagonal

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ROCKS 56 PAGE BOOK AND MATERIALS Electronic-Accessoriesv • Phase-coated prism surfaces reducesRelate rocks to the history of the planet It is written in the rocks! Connect the earth's crust to real rocks. Exciting eruptive experiments to foster comprehension and understanding. 20 Activities: Mold and slice open a model of the earth Create a lava fountain to explore density Spew your own volcano Make your own pyroclastic eruptions Discover which rocks will float and which will burn Identify, break & display volcanic rocks Sediment your own