3rd - 5th Grade Science Worksheets

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

Use your knowledge of sea creatures to fill out this crossword puzzle.

Learn about the amphibians and reptiles of Yellowstone National Park.

Learn about the black bears of Yellowstone National Park.

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.

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

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

Ready to make a body outline? This seriously fun project will give kids some big insights into the important systems that make up their bodies!

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

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

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

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

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

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

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

Kids will cut out the various functions listed at the bottom of this kidneys and intestines worksheet and match them to the correct organ.

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

This worksheet gives your fifth grader some skeleton know-how, as she fills in the diagram with the bones from the wrist to the fingertips.

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

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!

Add some punch to your own doodles with a quick lesson about how to draw light and shadows.

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.

Teach your fifth grader about this important bony structure with a fill-in-the-blank skull diagram.

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

Fourth and fifth graders will cut out and assemble a human skeleton from paper in this engaging life sciences printable.

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.

Learn about the human brain with this zombie-themed science worksheet!

Fill in the blanks from the words listed in the word bank, then keep this sheet handy to prepare for tests and quizzes on life science and photosythesis.

Learners will discover a simple overview of the human muscle system in this introductory worksheet.