CK12 Earth Science

Review Questions

1. How does magma differ from lava?


2. What are two differences between granite and rhyolite?


3. What happens to the mineral particles in salt water when the water evaporates?


4. Explain how mineral veins form.

Further Reading / Supplemental Links

• Hydrothermal Mineral Deposit. (2007). In Encyclopedia Britannica. Retrieved 14,
  2007, from Encyclopedia Britannica Online Library Edition. Available on the Web at:


• http://library.eb.com/eb/article-9041735.


• Mineral Deposit. (2007). In Encyclopedia Britannica. Retrieved 14, 2007, from Ency-
  clopedia Britannica Online Library Edition. Available on the Web at:


• http://library.eb.com/eb/article-82171.


• http://socrates.berkeley.edu/~eps2/wisc/Lect3.html


• http://en.wikipedia.org/wiki/Mineralogy#Formation_environments


• http://volcanoes.usgs.gov/Products/Pglossary/magma.html


• http://www.minsocam.org/MSA/K12/rkcycle/igneousrks.html


• http://geology.wr.usgs.gov/parks/rxmin/rock.html


• http://volcanoes.usgs.gov/Products/Pglossa


• http://www.monolake.org/naturalhistory/chem.htm


• http://www.monolake.org/naturalhistory/tufa.htm


• http://www.sdnhm.org/kids/minerals/grow-crystal.html


• http://ut.water.usgs.gov/greatsaltlake/index.html


• http://en.wikipedia.org/

Vocabulary

lava Molten rock that has reached the Earth’s surface.

magma Molten rock deep inside the Earth.

rocks Mixtures of minerals.

Points to Consider

• When most minerals form, they combine with other minerals to form rocks. How can
  these minerals be used?


• The same mineral can be formed by different processes. How can the way a mineral
  forms affect how the mineral is used?