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 ins and outs of one of the body's most important organs: the heart!

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

Give your child some categorization practice with this sunny day worksheet. She'll pick out and circle the objects that show up when the sun is shining.

Get your kindergartener started on Earth science with a lesson on the seasons. Kids write the name of each season under the correct picture.

Animal lovers, get acquainted with a very unique species, the okapi! Read this info-sheet to learn about why this animal is endangered.

How much do you know about our solar system's planets? Kids learn facts about Neptune in an out-of-this-world worksheet.

How do you think our universe will end? With this worksheet, explore some of the common theories, and then come up with some of your own!

Next time you're outside, go on a treasure hunt with this activity from PBS KIDS' Dinsosaur Train. Then, write all about your nature treasure loot!

Step up to the controls, Dr. Frankenstein -- the world is in need of a new creature!

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

Here is a brief introduction to The Great Pacific Garbage Patch for kids!

This research, drawing, and writing worksheet is a fun introduction to informational and science writing.

Which shoes are better for a rainy day, sandals or boots? This worksheet helps kids think critically about what things they see when the rain is pouring.

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

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

There are many animals around the world whose lives or homes are threatened. Read about an endangered species from Africa with this info-sheet

Learn what distinguishes a meteoroid, meteor and meteorite with this outer space science sheet!

The wind is something we can't see, but we can definitely feel it! Teach your kids about this weather phenomenon with a fun weather coloring sheet

Both of these animals have big ears! Your child will look at the pictures of unusual animals in this worksheet and try to learn some new things about them.

Help your child understand why it's so important to take care of the environment with this info-sheet about an endangered species: the spectacled bear.

Get in tune with nature, and read a bit about an endangered species of animal, the Black-footed Ferret. Your child can color an illustration as he reads.

As your child completes this science worksheet on the life cycle of a peanut, he'll get the chance to practice his sequencing, labeling, and drawing skills.

Mini meteorologists will love predicting the weather with this worksheet! Build logic and a sense of chronology by drawing pictures of the forecast.

When spring is in full bloom, be sure to get outside to smell the flowers! Your little nature lover can have fun with this flower identification activity.

Children will practice counting from 1 to 10 as they add a cap to a mushroom in this dot-to-dot worksheet.

The grizzly bear once roamed across most of North America; now its habitat has shrunk to the northwest. Discover more about the grizzly with this worksheet.

Help your child learn about facts and opinions in this animal-themed worksheet! Students will read sentences and decide whether they express facts or opinions.

Nature is all around us! But how much does your child know about our natural world? Test her knowledge with some nature fun-facts trivia.

Brr! Kids completing this preschool science worksheet circle the appropriate clothes for winter weather.