This diagram of a human skeleton is labeled with 12 major bones, from skull to fibula.

These 12 dinosaur names are all mixed up, and need a dinosaur expert to help unscramble the letters.

Try this worksheet diagramming a snail anatomy. It takes a snail over two minutes to travel 12 inches, but your 5th grader can finish this worksheet in no time.

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

Expand your sea creature vocabulary with this Life in the Reef worksheet!