Learn about the animal kingdom with this centipede anatomy worksheet. Fun fact: Centipedes have either 15 or 17 pairs of legs, but never 16!

Dinosaurs and other creatures don't exist anymore! Learn the names of some extinct animals, and look for them in this fun wordsearch puzzle.

Use your knowledge of sea creatures to fill out this crossword puzzle.

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

Fifth-grade learners will look at a diagram of a cell, then follow the instructions to label its parts by color.