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

See just how connected the ears, nose and throat are with this anatomy worksheet!

Learn about the integumentary system, which is really just a fancy phrase for "skin", in this worksheet.

Introduce your flashlight to mirrors. Mirrors are cool surfaces that reflect light just as well as they reflect your face.

Learn more about the bones in your body and just how important they are with this reading sheet and diagram, all in one.

This skeletal system worksheet, featuring a funny diagram of a human skeleton, is just the thing kids need to master their skeletal system vocabulary.

Did you know people can live with just one kidney? Get a head start on human anatomy with this info sheet on kidneys.

Introduce your child to a fascinating new animal, the Baird's tapir. This is just one of many endangered species around the world.

Just like the rest of our body, our eyes are a complicated system! Learn about how the human eye works with this anatomy sheet.

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

Atoms are some of the tiniest particles that make up our world. Give kids some perspective with this worksheet that shows kids just how small atoms are.

Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

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.

Meet the beetle! Filling out this simple worksheet can help your 5th grader learn the anatomy of a beetle.

Kids love squids! This simple squid diagram will help your 5th grader memorize the squid anatomy.

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

Learn about pearls, which seem like normal jewelry from a factory but are actually made from the mucus of mollusks!

Learn more about the swirling, whirling science behind tornadoes with this wild worksheet.

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

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

Sink or float? Your kid may be surprised to learn that the density of coke and diet coke aren't the same!

Learn about drag, air resistance, and Newton's laws with this cool worksheet on bobsled physics!

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

It's a paper parachute brigade! Learn how to build your own parachute, and learn how the parachute was invented over 500 years ago.

Is your child baffled by the scientific method? Dr. McSquare is here to help! Learn the steps by helping the doctor organize his lab reports.

This bright and colorful worksheet helps your child bring the technical terms of the bones in his legs down to size.

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.

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

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.