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How is Visible Light Produced?

By Janice VanCleave

Light is a form of energy, and energy is neither created nor destroyed. Instead, energy can change from one type to another.This means that another type of energy is transformed into visible light. Regardless of the source of energy, light is produced in basically two steps: 1. An atom’s electron absorbs energy and becomes energized, […]

Filed Under: Physics Tagged With: electron, excited state, ground state, incandescent, luminescent, photon

Photon

By Janice VanCleave

Question: What is a Photon? Answer: Electromagnetic radiation is a form of energy that is released by an atom. This energy is made up of many small particle-like packets that have energy and momentum but no mass. These particles, called photons, are the most basic units of electromagnetic radiation. Electromagnetic radiation is often referred to […]

Filed Under: Physics Tagged With: EMR, photon

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Welcome to Janice’s Science Extravaganza!

The spoon hanging from the string vibrates when struck and these vibrations are transmitted through the string and the sound is amplified by the plastic cups. ABOUT ME: Hi, I am Janice VanCleave, author of 50 best-selling science experiment books for children ages 4 through high school. I taught science for 27 years. MORE.....

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