The Great Extinction
| S | C | A | T | A | C | L | Y | S | M | F | B |
| U | B | Y | C | R | A | T | E | R | H | N | O |
| O | A | U | J | I | Y | N | H | S | O | D | A |
| E | S | C | L | Q | M | K | A | I | C | N | E |
| C | T | A | E | U | R | P | T | I | D | A | T |
| A | E | T | M | U | X | C | A | U | I | S | A |
| T | R | A | V | E | N | C | S | C | U | R | M |
| E | O | N | I | I | T | T | I | N | T | H | I |
| R | I | L | T | O | M | E | A | H | P | E | L |
| C | D | X | T | E | N | M | O | Z | C | O | C |
| T | E | H | M | U | I | D | I | R | I | T | W |
| E | R | I | F | D | L | I | W | G | S | X | S |
- ASH
- ASTEROID
- CATACLYSM
- CHICXULUB
- CLIMATE
- CRATER
- CRETACEOUS
- DUST
- EXTINCTION
- IMPACT
- IRIDIUM
- METEOR
- TSUNAMI
- WILDFIRE
- YUCATAN
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Sixty-six million years ago a rock the size of a mountain hit the Yucatan and wiped out most life on Earth. This puzzle covers that day and the clues scientists use to reconstruct it, from the Chicxulub crater to the telltale iridium layer. It's good for older kids who want the how and why behind the dinosaurs' end. Find the words online or print it for a lesson.
The Great Extinction Word Search Answer Key
Checking a finished sheet, or stuck on the last word? The The Great Extinction Word Search Answer Key marks all 15 hidden words in the grid and lists the row, column and direction each one starts from. It prints on its own sheet, so you can hand out the puzzle and keep the answers.