Properties of Light (Science Experiments)
Looking for the Glow: Which objects glow under black light?
Design Your Own Experiment
Scholars wondered about the properties of light as early as 600 B.C. in Miletus, which was part of the Greek empire. We now know that is a form of energy that travels through the universe in waves. All light energy exists in an electromagnetic spectrumThe complete array of electromagnetic radiation, including radio waves (at the longest-wavelength end), microwaves, infrared radiation, visible light, ultraviolet radiation, X rays, and gamma rays (at the shortest-wavelength end).. The what we see as light, is part of the electromagnetic spectrum.
Isaac Newton (1642727), a brilliant English mathematician, had just received his bachelor's degree at the University of Cambridge when the bubonic plague hit Great Britain. Because the plague spread faster in cities, Newton continued his graduate studies for two years at his countryside home. During this time, he conducted many experiments. Early in 1666, Newton darkened his room and made a small hole in...
(The entire section is 1885 words.)
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