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Rocks are made up of a combination of minerals. A mineral is something non-living found naturally in the Earth. Every kind of rock has a different combination of minerals which make it unique. For instance, granite is composed of a variety of minerals including feldspar, mica and quartz. Granite is a multi-colored rock because of it many minerals. These minerals are easy to see. Some minerals are so tiny that it is difficult to see separate minerals without a magnifying glass, like in sandstone.

You Try It!

  • Collect at least six different types of rocks in your area.
    • Find two igneous, two metamorphic and two sedimentary.
    • You also need a magnifying glass, a pencil and crayons.
  • Make a small folding book using the directions below.
  • Label the cover with a title like “Minerals in Rocks”.
  • On each inside page draw the shapes and colors of the minerals you see in each rock. If you know the name of the rock, label it at the bottom of the page.

Book Directions:

Take a piece of white paper and fold as directed below:

  • Fold an 8 1/2" X 11" piece of paper lengthwise.
    (Figures A and B).

Figure A

Figure B

  • Fold it in half again the other way. (Figures C and D)

Figure C

Figure D
  • Fold it in half again.
    (Figures E and F)

Figure E

Figure F
  • Open out two folds.
    (Figures G and H)

Figure G

Figure H
  • You'll see a "plus" sign created by folds.
    (Figure I)

Figure I
  • Cut from the folded edge of the "plus" to the center.
    (Figure J and K)

Figure J

Figure K
  • Open the "legs" of the paper and "crack" the egg.
    (Figures L and M)

Figure L

Figure M

  • Fold flat.
    (Figure N and O)

Figure N

Figure O

  • You should have eight pages.
    (Figure P)

Figure P


Download the plug-ins: Get Adobe Acrobat Reader , and Get Quicktime Player. (The QuickTime plug-in is needed to play sounds and movies correctly.)

Want to share photos of you or your friends doing this activity? Send it in an e-mail with the following information:

  1. The title of the activity
  2. The URL (Internet address)
  3. Your name.

Remember that no pictures can be used that show student faces or student names on it. 

Teachers should view the Teacher Site Map to relate Sci-ber text and the USOE 4th grade science core.

Updated October 24, 2008 by: Glen Westbroek

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