A natural resource is something that we use that occurs naturally in the environment. Teach your child about the densest and heaviest natural resource: rocks!

Meet the master of compound machines: Rube Goldberg! His wacky contraptions put a whole new spin on the use of simple machines.

Crossword puzzles are a great way to make life science learning fun. This one's all about natural selection, and it's sure to give your child a fun challenge.

What does the Earth look like? Find out all about the nooks and crannies that cover the planet with this landforms worksheet.

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

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.

What delicious treats do we receive from trees? Your child can draw their favorite tree-provided snacks in this cute drawing worksheet.

Here's a stormy science adventure that will blow your socks off! Learn about tracking hurricanes with this map of coordinates.

Learn about a common hawk native to North America, the Red-Tailed Hawk! Your child will love coloring this page as he reads some fun facts about this species.

Did you know opossums are marsupials, which means they have a pouch! This fun worksheet is jam-packed with fun facts about the opossum!

Don't let school year learning slip away this summer: use this chemistry worksheet to practice identifying elements.

Humans have 32 teeth, including wisdom teeth, and this diagram has the names of all the other 28.

Did you know butterflies have no teeth? How do you think they eat? Check out this science worksheet to learn all about it.

Take a quick lesson in the otters that inhabit Yellowstone National Park and take an even quicker quiz.

Animals need to adapt to survive! Teach your child how some animals can blend with their surroundings using camouflage.

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.

Kids find grassland animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.

Playing in the dirt was never so educational! Shake things up with this fun experiment about soil.

Help your child get to know the most elementary of the elements with these handy worksheets.

Learn a little about our planet with an Earth coloring sheet and find out more about our travels in to space by aswering the question at the bottom of the page!

Boost your second grader's knowledge of space with this fun worksheet, which will have her unscrambling the answers to planetary trivia.

This worksheet features Uranus facts. Did you know this planet is blue and spins on its side?

Did you know that there are forests in the temperate ocean ecosystem? Learn all about the temperate ocean with this fun ecosystems sheet!

Hop this way for some marsupial madness! Your child can learn about the life cycle of a kangaroo, and how marsupials differ from mammals.

Can you guess how the Screech Owl got its name? Learn some fun facts about this species of owl with a fun info sheet!

Use the clues in this crossword puzzle to fill in the blanks with different types of snake names. Learn interesting facts about snakes as you go!

Find out all about the different parts of the eyes and how they work together to make vision possible.

Take a look and learn all about this beautiful and rare tiger from the islands of Sumatra in Indonesia.

What is the Earth made of? Find out everything that goes on just below the surface in this science reading worksheet.

The silverback gorilla is a special animal. This magnificent male is part of an endangered species. Complete this sheet to learn all about this gentle giant.