2nd - 4th Grade Science Worksheets

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

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.

Learn about the black bears of Yellowstone National Park.

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

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!

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!

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.

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.

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

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!

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.

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

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

From nature hunts and rock painting to recycled art and poetry writing, these activities combine scientific exploration with arts and crafts projects.

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

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.

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

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

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.

Give your kid help with his science skills with this worksheet, which practices natural disaster vocabulary.

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

Our solar system might fit on this cool coloring page, but in reality it's 3.7 billion miles from the Sun to the dwarf planet Pluto!