Name: ___________________ Hour: _______

The Facts about Ozone


  1. Ozone is made of _____________ oxygen atoms.

  2. Ozone is less stable than diatomic oxygen, so it tries to give up ______________.

  3. We see ozone as a _____________ gas.

  4. Ozone is described as Dr. Jekyll (stratospheric ozone) or Mr. Hyde (tropospheric ozone). Please note two characteristics of each type of ozone:

Ozone in the stratosphere:


Ozone in the troposphere:


Electromagnetic Spectrum

  1. As a review, please write the names of the electromagnetic spectrum from longest to shortest wavelengths:

  2. Ultraviolet radiation splits apart oxygen molecules (remember, 2 oxygens), setting the stage for ozone to be created. ____________ collide with _________________ to form an ozone molecule.

Ozone in the Stratosphere

  1. Only ozone blocks the most energetic ultraviolet light, which are __________ and ___________.

  2. What would likely not exist today if ozone was not in the upper atmosphere?

  3. Most ozone lies in the stratosphere, which is between ___ and ____ miles above the Earth's surface.

  4. Ozone would keep up a dynamic equilibrium which "shields" life on Earth, if not for ________________ contributing to the chemical processes.

Ozone in the Troposphere

  1. Ozone is found in small amounts in the troposphere, the layer found from the Earth's surface to _______ miles up. In this region of the atmosphere it is considered a ___________ gas. As this type of gas, it has a ______________________ effect.

  2. Ozone is also a key ingredient in _________. Yuck!

Concluding Thoughts

  1. What simple saying sums up a lot about ozone in different regions of the atmosphere?

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