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.

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

Learn about the many different biomes the Earth is home to in this life science worksheet, which holds the answers to some simple life science questions.

Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.

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

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

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

Learn more about the animals in the swamp food chain, and find out how each living thing in a swamp ecosystem needs another to survive.

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!

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

Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.

Dive deep into your body's circulatory system with this worksheet on blood and what it's made of.

Do you know which animal has two humps? Your child will use clues to determine what animal name fits in the crossword puzzle with this worksheet.

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

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!

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!

An energy pyramid is a simple way to graphically show how energy flows in an ecological community; somewhat similar to the food pyramid.

Budding biologists can learn all about human digestion with this information page, complete with a diagram of the digestive system.

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

This packet of worksheets introduces children to food webs, an important life science concept.

Children will learn important facts about food chains in these worksheets.

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

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

This multi-page worksheet provides an opportunity for kids to practice both their understanding of food webs and their reading comprension skills.

This nonfiction passage helps kids develop reading comprehension skills, as well as learn important ecological facts.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

Get familiar with this food chain pyramid, from carnivores and herbivores to producers and decomposers; each group has a role.

Cells are the building blocks of all living things! Help your little scientist learn the basics of a cell with this fun activity.