Introduce children to photosynthesis with this fill-in-the-blanks life sciences worksheet!

Match the sense to the picture in this five senses worksheet!

Stem, primary root, secondary root … Let your kid dig into this colorful worksheet, and fill in the missing names on this tree parts diagram.

You can find rocks almost anywhere, but there's a lot more to rocks than meets the eye. Check out this science worksheet to learn all about rock formations.

Learn about the amphibians and reptiles of Yellowstone National Park.

If you know what each planet looks like, you'll have no trouble with this intergalactic crossword puzzle.

Kids write down examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

Here's a thorough, easy-to-understand breakdown of the color wheel that includes primary, secondary and tertiary colors.

Learn about the black bears of Yellowstone National Park.

Wolves are an animal with a bit of rough past in Yellowstone National Park. Learn all about them!

Here's a great introduction to five famous astronomers for kids. See who got the star party started with this worksheet.

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

This cute worksheet prompts your first grader to find out what characteristics are shared by amphibians, and then circle the animals that fit that category.

Learn about the grizzly bears that live in Yellowstone National Park.

Looking for a worksheet to help with your kid's matching skills? This printable is all about matching items with their names!

Grab your trusty flashlight and get ready for a scientific treasure hunt!

Read about the small population of huge moose in Yellowstone National Park.

Help your kid get his head around the seasons with this worksheet that asks him to draw a picture of the correct season according to what each kid is wearing.

Light travels so quickly that sometimes we can forget it even travels at all. Learn all about the direction light travels and perform your own experiment!

Can you explain why your blue shirt is blue? This worksheet is full of facts about light and how it reacts with objects to give us the perception of color.

Expose your 1st grader to the animals of Australia in a fun way: coloring! Start with one of the cutest, most beloved animals Down Under, the koala.

Learn all about Alexander Fleming, the man who invented penicillin and the happy accident that brought him to it.

Even colors have best friends. In the world of color, these best friend pairings are called complimentary colors.

Your child may have heard of the Tasmanian devil from a cartoon or from a friend at school, but this worksheet will show him the real Tasmanian devil.

Need a colorful way to impress your friends and family? This worksheet has got you covered!

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

Experiment with renewable energy from the comfort of home by creating a pizza box solar oven!

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

This worksheet features Mercury, the smallest planet in our Solar System, and also the planet that's closest to the Sun.

Animal flashcards are a wonderful way to help young kids build basic skills in word recognition and early-science basics.