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Identifying rocks and minerals with the Reference Tables quiz - NY Regents quiz

14questions. Pick an answer and you'll see why right away.

  1. Which property is most reliable for identifying a mineral, because it does not change with impurities?

  2. On the Mohs scale, a mineral that scratches a copper penny (about 3.5) but is scratched by glass (about 5.5) has a hardness of about:

  3. An igneous rock has large, intergrown crystals. What does this tell you about how it cooled?

  4. Using the Scheme for Igneous Rock Identification, a coarse-grained, light-colored, low-density rock is:

  5. A sedimentary rock made of rounded pebbles cemented together is called:

  6. Which sequence shows shale metamorphosed in order of increasing grade?

  7. Which metamorphic rock is nonfoliated and forms from limestone?

  8. What is the boundary between Earth's crust and mantle called on the Reference Tables?

  9. We know Earth's outer core is liquid because:

  10. What drives the movement of Earth's tectonic plates?

  11. On a seismogram, a larger S-minus-P time difference means the station is:

  12. Rock 600 km from a mid-ocean ridge is 30 million years old. What is the spreading rate on that side?

  13. Why are three seismic stations needed to locate an epicenter?

  14. Marine fossils found in rock layers high on a mountain are best explained by: