It is less than the critical angle, and the image is reflected parallel to the bottom of the glass, thus, cannot be viewed, explains Drs. Courtney Willis and Kendall Mallory, UNC Physics. I live in southeast Colorado, near the state line. A good place to start would be tostudy the geology of your area. There are a variety of fossils found in this formation such as bivalves, gastropods, ammonites, and more if you are lucky enough to find them.
Bioluminescence is used by such creatures in predation, escaping predators, and in communication.
Light is produced by an energy-yielding chemical reaction in which a compound, luciferin, undergoes oxidation, catalyzed by an enzyme, luciferase. Styrene contains an inhibitor that is too difficult to remove in making polymers in the high school lab. Poly-urethane may be made with a craft store product, sold under the trade name Mountains in Minutes, notes Dr. Jim Schreck, UNC Chemistry. The motion of the bird is caused by a temperature difference between its head and tail. Start by wetting the fabric-covered upright head with water, allowing evaporation to cool the head.