Recovery Timeline Multiple Choices

Repairing the ozone layer takes much longer than damaging it. This informative reading passage explains why harmful chemicals can remain in Earth’s atmosphere for decades, even after countries stopped using many of them. Students learn how scientists estimate when different parts of the ozone layer may recover and why continued research and monitoring are still important.

This worksheet strengthens informational reading skills by helping students interpret timelines, identify cause-and-effect relationships, and understand long-term environmental change. Vocabulary such as ozone layer, stratosphere, CFCs, recovery, ultraviolet (UV) rays, and atmosphere is presented naturally throughout the text. Written in a warm, conversational style, the passage reassures students that positive environmental progress often takes patience, persistence, and scientific cooperation.