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

Searching for a worksheet to help your fourth grader with science? This printable will help him with geology.

Invite spellers on an inter-stellar adventure with this fun word scramble puzzle.

Looking for a worksheet to help your kid with his knowledge of human biology? This printable will help him with the digestive system.

Searching for a worksheet to help your fourth grader with science? This printable will help him practice astronomy vocabulary.

This worksheet will quiz your child on the different fields of study in science. What's the difference between a zoologist and a geologist? Find out here!

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

Looking for a worksheet to help your kid with science? This printable will help him with human anatomy and vocabulary.

Looking for a worksheet to help your child with science? This printable will help them with their biology vocabulary.

Challenge your child' memory skills with this colorful worksheet. This fun printable will help with memorization skills and spatial awareness.

Looking for a fourth grade worksheet to help your kid with astronomy? This printable will help him learn the relative sizes of planets.

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

Looking for a worksheet to help your kid with science? This printable will help him with his knowledge of geology.

A handy worksheet that breaks down the properties of metal. A good physical science review sheet to keep around for reference.

Encourage your child to take a nature walk, using the prompts on this worksheet to write and draw their observations of plants, animals, sounds, and more.

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

Sometimes measuring liquids scientifically is tricky. Give your budding scientist some practice, by reading measurements on graduated cylinder illustrations.

Give your kid help with his science skills with this worksheet, which practices natural disaster vocabulary.

Change up your regular classwork with this hands-on science worksheet!

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!

Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science 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.

Budding scientists will learn about the density of salt water and perform an experiment with food coloring, salt water, and fresh water.