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.

Engage your little scientist with a fun word search, all about sinking and floating! He'll be learning a basic concept of physical science.

Children will look at a model of the human arm and hand bones, then refer to a chart to label it correctly, in this anatomy worksheet.

Without rain, we wouldn't have any puddles to splash and stomp in. Does your third grader know why and how rain falls from the clouds?

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

Learners will get to know the bald eagle, the national bird of the United States and an inhabitant of Yellowstone National Park.

Learn about the great horned owl of Yellowstone National Park, a bird so big and mean that it has the nickname, "tiger owl."

This tree anatomy worksheet will give your little naturalist a better understanding of the parts that make up a tree.

These "Dig It!" worksheets not only teach about life on earth, they teach the scientific method as well.

Does your little scientist know what animals eat? Draw a delicious meal for each of these creatures.

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.

Practice geology vocabulary with this challenging crossword puzzle.

Children learn about the animals that inhabit Australia in this tracks-matching activity.

How was our solar system created? Read a bit about one of the most well-known theories in this worksheet about the Big Bang.

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

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

Can your child tell what will be attracted by a magnet? Challenge him to think about why magnets attract certain objects.

If your scientist is mad for magnets, let him explore a few fun facts about magnetism with this physics page!

Do you know what the thyroid does? Learn about our body's largest gland with this human anatomy info sheet.

Learn about the animal practice of hibernation in this quick science worksheet.

Teach your child how to respect the ecosystem with a science worksheet that doubles as a coloring page. Can they identify the sources of pollution in the scene?

The brain is the most important organ in the human body. Get a basic grasp on the parts and functions of the brain with this anatomy info sheet.

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

Aspiring astronomers, get ready for a stellar coloring page all about the moon! Your child can read some fun facts as he colors.

Open your ears for some interesting science! Your little biologist will learn the basic parts of the ear with this diagram.

Help your child get a sense of the five senses with this worksheet. Kids will choose which senses they use when they meet a skunk and more.

Get all the Tasmanian devil facts on this worksheet, from what they eat to how they got their name.

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

Learn all about the different jellyfish and then test your knowledge with the questions at the bottom of the page.

There are lots of stories around the world for the rabbit moon: a rabbit image seen in the shadows on the moon's face. Here's one for young moon-gazers!