Young botanists test their plant know-how with this quiz.

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!

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

Does your child love dogs? Test his knowledge on the different breeds of dog with some trivia questions!

Are you aware of how many endangered species there are in the world? Use this trivia sheet to test your knowledge of some beautiful but endangered animals.

These worksheets help kids understand food webs, an important part of the life science curriculum in fourth grade.

Looking for a fourth grade worksheet to help your kid with science? This printable will help with your child's botany vocabulary.

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

Have you considered why elephants have trunks, or why polar bears have thick fur? Reflect on animal adaptations with this fourth-grade worksheet!

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

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!

Study ecosystem changes with this drought-focused worksheet for fourth and fifth graders!

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!

The food chain is an important life science concept for fouth graders. This game makes it fun to learn!

Take a peek into a temperate forest ecosystem with this food web worksheet for fourth and fifth graders!

Does your budding biologist know his plant parts? Get a great review of some important plant vocabulary with this info page.

Dragonflies are some of the oddest looking insects in the world, so it's appropriate that they have so many unique characteristics. Read all about them!

Did you know plants make their own food? Discover how with this fill-in-the-blank worksheet for third and fourth graders!

Learn more about what lives--and what thrives--in marshes with this fill-in-the-blank worksheet on marsh ecosystems.

Learn all about the ooey-gooey areas of land called wetlands that provide a home for certain kinds of plants and animals.

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!

Find out more about what REALLY dwells in swamp ecosystems with this worksheet all about swamps.