Learn all about light refraction by simply placing your pencil in a glass of water. Warning: your pencil may not be quiet the same afterward.

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

Some devious mice have stolen important information from the periodic table. Can middle-grade chemists put the elements back together again?

How can you tell how old a tree is? Look no further! This worksheet gives a basic overview of tree rings for your little scientist.

This worksheet is all about the U.S. space mission of Friendship 7, and will help kids with reading comprehension and U.S. history knowledge all at once.

All kids love animals, but how much does your child know about them? Kids will get to learn some animal vocabulary with this wild crossword puzzle.

These pictures have a lot to say! The animals in this worksheet don't talkÃbut they can tell you a lot about what they're like by the way they look.

The insect order Hemiptera consists of True Bugs such as Stainers, Assassin Bugs, Leaf-Footed Bugs, and this Boxelder Bug.

Help your child learn about facts and opinions. Kids will read statements about animals before determining whether each statement is a fact or opinion.

This Earth Day, learn about conservation and the environment while you enjoy solving a fun puzzle! 

Important information has gone missing from the periodic table. Can you fix up these elements so that they read the right way?

Natural resources are crucial for sustaining life on the planet. Encourage your child to get to thinking about plants, one of Earth's natural resources.

Introduce your little astronomer to Earth's 'sister planet' Venus! He'll color the picture as he learns fun facts about our solar system's brightest planet.

Through a simple matching activity, kids learn how their actions can have a direct effect on the environment.

Help your child learn about the nervous system and the digestive system with this fun worksheet, which will challenge his knowledge of physiology.

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.

All living things need water to survive. Listed are some of the ways we use water: can your child think of others?

Children get to know animals of South America in this nature-themed worksheet.

That's not a lake... it's a crater! Get the scoop on some of the world's most well known craters with this space science worksheet.

What does the pancreas do? Kids will check out the diagram, read a paragraph, and put their reading comprehension skills to the test by filling in the blanks.

Learn how sand dunes form, and a little bit about desert formations like yardangs as well, in this science summary sheet.

Learn about a famous woman of science, Rosalind Franklin, and how she contributed to the discovery of DNA's double-helix structure.

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

This word search introduces your child to important rocks and minerals vocabulary, as it strengthens his attention to detail.

Your child has probably tried a potato, but does he know the process it goes through to make it to the table? Find out with this life science worksheet.

Does your second grader love farm animals? This easy writing exercise will help your child be more observant about tracks left by some familiar animals.

During the Gold Rush, people weren't sure if they found gold or something else, and these easy steps would help them be sure.

Learn all about how to convert centimeters to inches in this practice worksheet.

Try out this simple worksheet diagramming the anatomy of a shrimp. Big words, small sea creature.

For your budding environmentalist, here is an information sheet on a well-known endangered species, the Komodo dragon!