Ozone Layer Diagram. Draw a diagram of the earths layers and where the ozone layer is located with chalk on the pavement or on a chalkboard review diagram from background section. Ozone was discovered by christian friedrich schönbein in 1840.
Within the antarctic ozone hole this can shrink to less than 1mm. This layer contains chemicals which absorb energy from the sun. It is destroyed more quickly than it is created.
When high energy ultraviolet rays uv c strike an oxygen.
At top of stratosphere 30 miles high ozone absorbs most of the harmful ultraviolet radiation from the sun. Have students research what other global wide steps have been taken to reduce the emissions of cfcs into the atmosphere since the 1987. One chlorine can destroy 100000 molecules of ozone. Ozone in the ozone layer filters out sunlight wavelengths from about 200 nm uv rays to 315 nm with ozone peak absorption at about 250 nm.