• Rocks and Minerals Internet Hunt
    (adapted from http://homepage.mac.com/cohora/ext/rock.html#ans)
    Directions: Use the links provided to find the answers to the questions. Use the BACK button of your browser to return to this page. Write your answers on the handout provided. If a link is broken, use your Internet searching skills to find the answer.
    1. List the three rock groups.
    2. Describe the rock cycle. Watch the Rock Cycle movie.
    3. Write 3 minerals found in a house. Name the specific product where it is used.
    4. The gem Corundum is called a sapphire unless it is colored red. What do they call a red colored corundum?
    5. How old is the Hope Diamond?
    6. Asbestos is a mineral that people used to protect themselves from fire. Later scientists discovered it was dangerous. How is it dangerous?
    7. F. Mohs developed a scale to measure hardness of gemstones. What is the scale called? Explore the scale here (#3 on left hand side of page).
    8. What mineral has the least hardness according to the scale? What mineral has the greatest hardness?
    9. How are sedimentary rocks formed? Name two sedimentary rocks.
    10. How are igneous rocks formed?  What does the word ignite mean? Look it up in a dictionary.
    11. Ever hear the phrase "it sank like a stone"? What rock can actually float?
    12. Name the tests that scientists use to identify minerals.
    Explain two of them.
    (Tip - Click Next to move through the info)
    13. What is an unusual property of the mineral ulexite?
    14. What causes sedimentary and igneous rocks to change?
    Challenge questions:
    16. What role does the mineral fluoride play in your health?
    17. Accept the challenge: Every day you eat minerals. Your folks don't plop a bowl of minerals down for breakfast. So how are you eating these minerals? Figure it out here by reading about boron.

    18. Check out Rock varnish- Have you observed this phenomena?