Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

Lots of people like turtles, but how much do you really know about them? Get to know one of many types of turtles with this informational worksheet.

This worksheet teaches all about the planet Saturn and its placement in the Solar System.

Ever wonder what's inside a camel's hump? Your child will become familiar with animals that live in the desert with this fun activity sheet!

Quite possibly the most famous constellation, the Big Dipper is a small part of Ursa Major, the big bear constellation.

This short nonfiction text will provide students with an opportunity to become more comfortable with identifying and defining academic vocabulary words—and they'll have fun learning all about the life cycle of a chicken in the process!

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

Looking for a fourth grade worksheet to help your kid with science? This printable will test his knowledge of the water cycle.

In this North American animal tracks worksheet, students hone their observation skills by matching tracks to animals.

Rainbows look like swipes of brightly colored paint hanging in the sky. Have you ever wondered how they got there?

Jaguars eat deer? Wow. Alligators, too? Are you kidding? What don't they eat? There's way more to learn about these intriguing eaters in this cool worksheet.

This worksheet is a quick-reference tool of space vocabulary for kids, with an exercise to use the words properly in provided sentences.

Learn about bison, some of biggest creatures in Yellowstone National Park, or anywhere else for that matter.

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

Where to flower babies come from? Use this word search to learn about the different pollinators in our environment, and how they help spread plant seeds.

Did you know some baby birds take 10 days to hatch, and some can take 80 days! Learn all about these cute creatures and finish your lesson off with a fun maze.

Have you ever looked into the night sky and wondered where all those millions and million of stars come from? Find out here with a mini astronomy lesson!

Learn the difference between behavioral and physical adaptations with this cut-and-paste worksheet for second and third graders!

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

One of the most famous and easy to spot constellations is the Big Dipper! Formally known as Ursa Major, this constellation was named after a bear.

Practice geology vocabulary with this challenging crossword puzzle.

Almost half of all known fish species call ponds, lakes, rivers, and other freshwater habitats home. Learn about freshwater fish in this worksheet.

What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

Let your coloring skills blossom with this flower anatomy worksheet. Make your own flower, color and put your vocabulary skills to the test!

Test your little nature-lover's knowledge about our feathery friends. Can she figure out which bird fits each description?