Electron Energy and Light Worksheet
Explore the relationship between electron energy levels and the emission and absorption of light at a Grade 9 level.
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Electron Energy and Light
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Read each question carefully and answer to the best of your ability. Show all work where applicable.
1. What happens to an electron when it absorbs energy?
It moves to a lower energy level.
It moves to a higher energy level.
It is ejected from the atom.
It changes its charge.
2. Which of the following colors of visible light has the highest energy?
Red
Green
Blue
Yellow
3. When an electron falls from a higher energy level to a lower energy level, it emits a of light.
4. The different energy levels around an atom are often referred to as electron .
5. The color of light emitted by an excited electron depends on the of the energy transition.
6. All electromagnetic radiation travels at the same speed in a vacuum.
True
False
7. A photon is a particle of light.
True
False
8. Describe the relationship between the energy of a photon and its frequency.
9. The diagram below illustrates a simplified model of an atom. Explain how electron transitions in this atom can lead to the emission of light.
