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

Use the clues in this crossword puzzle to fill in the blanks with different types of snake names. Learn interesting facts about snakes as you go!

Did you know that invertebrates don't have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

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

Ecosystems are an important part of fourth grade science. This fun printable will help your child with her knowledge of plants and animals.

Fourth and fifth graders will cut out and assemble a human skeleton from paper in this engaging life sciences printable.

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