Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

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

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

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

Learn step by step how to create a report! Research facts about camels, complete the sentences, then use the sentences to create a report about camels.

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

Get to know the residents of the reef with this coral reef-themed crossword, perfect for expanding life science knowledge and working on vocabulary, too!

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

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!

Help your child practice her spelling and vocabulary with this fun worksheet! Discuss with your child what it means to be cold-blooded.