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

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

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

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

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

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

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.

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!

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

This word search helps expand kids' animal vocabulary and introduces them to animals that live in shells, all while keeping them entertained.

Introduce your budding scientist to chemical reactions with this simple and fun science experiment!

Students flex their physical science knowledge by classifying items as solids or liquids in this fourth grade states of matter worksheet.

Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

Peel back the layers of the earth in this earth science worksheet. Can you name all of them?

Brush up on some physics vocabulary with this energy word search!

Invite budding naturalists to sharpen their observation skills with this colorful, printable scavenger hunt.

Practice naming the planets in our solar system with a fun, visual worksheet! Your child can see the planets in their orbits and try to label each one.

What is the rocky cycle? This info sheet answers that question with the help of a colorful diagram and a shout out to important vocabulary.

In which habitat could you find a blue whale, a squid, and a shark? The ocean, obviously! Have your kid find ocean animals with this word search worksheet.

Learn about the amphibians and reptiles of Yellowstone National Park.

Did you know that there is no new water on Earth? It all gets recycled and reused in a process that we call the water cycle.

Stretch your backbones and learn about the creatures that have a spine and those you don't!

These flash cards serve as an intro to life science, but also help with counting skills and sequential ordering.

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.

Pigs, cows, and ducks, oh my! The clues in this animal crossword puzzle worksheet will help you remember what animals there are on a farm.

Looking for a worksheet to challenge your child's knowledge of science? This printable asks him to identify a solid, liquid and gas.

Learn about the black bears of Yellowstone National Park.

The next time you're on a hike, be sure to take this leaf chart to guide you in identifying different types of leaves!

If your child is fascinated by outer space, he'll love this solar system word search! While reviewing planet names, he'll ponder the mysteries of the universe.

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