3rd and 4th Grade Science Worksheets

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

Learn about the amphibians and reptiles 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.

Learn about the black bears of Yellowstone National Park.

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.

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."

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

Little gardeners, get to know your plants! See the cycle of a plant from its birth to adulthood, and read a bit about photosynthesis too.

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

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

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.

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

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!

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

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

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

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.

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

If you think volcanoes are cool, this worksheet will blow your mind! Learn about the rock cycle by reading the paragraph and taking a multiple choice quiz.

This moon phases worksheet offers a clear explanation of the lunar cycles. To teach your student the phases of the moon, download now!

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.

Get familiar with this food chain pyramid, from carnivores and herbivores to producers and decomposers; each group has a role.

What's your favorite animal? Kids love answering that question, and with this animal research graphic organizer, they can write all about it.

Cells are the building blocks of all living things! Help your little scientist learn the basics of a cell with this fun activity.

Experience some explosive earth science! Use this diagram to teach your child about the various parts of an active volcano.

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

Start from water cycle precipitation from clouds and match parts of the cycle to this clear colorful image of a simple water cycle, using the helpful paragraph.