Crossword PuzzleIridium: Calling Card from Outer Space; Day the Mesozoic Died Vocabulary Crossword
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This 27-clue crossword explores vocabulary related to the asteroid impact that ended the Mesozoic Era. Clues cover geological evidence like iridium, shocked quartz, and the K-T boundary layer; key locations like Chicxulub; celestial objects and processes including comets, asteroids, and supernovas; and technical terms like foraminifera and planetesimals. Use it for vocabulary review in a paleontology or earth science unit, or as a comprehensive assessment of extinction-event concepts for Grades 9–12.
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Print this crossword for classroom use, homework packets, or sub plans. Click 'View Crossword' to modify clues, adjust difficulty, or add your own words before downloading as a PDF. An answer key is included with every download.
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