Almost half of all known fish species call ponds, lakes, rivers, and other freshwater habitats home. Learn about freshwater fish in this worksheet.

There aren't many blue animals out there, but here's one that will be fun to color: the blue dart frog. Its bright color warns predators that it is poisonous.

Your budding ecologist will learn about Hawaiian creatures as she colors, cuts out, and plays with sea turtle, monk seal, stilt bird, and quail finger puppets.

Learn about Red River Hogs in this series of animals facts sheets and coloring pages in one.

You won't find a smaller animal that looks meaner than the frill-necked lizard. When it gets frightened, it opens its mouth wide and flares its trademark frill.

Blast off deep into space with this science worksheet featuring the dwarf planet, Pluto.

Kids who love creepy, crawly things will truly enjoy this prekindergarten and kindergarten science-themed coloring page.

Earth has many different land and water features—can you recognize them? Test your knowledge with this crossword puzzle for third and fourth graders!

Take a look and learn all about this beautiful and rare tiger from the islands of Sumatra in Indonesia.

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

Strengthen your understanding of forces with this kindergarten worksheet!

As your child completes this science worksheet on the life cycle of a peanut, he'll get the chance to practice his sequencing, labeling, and drawing skills.

Your kids will have a blast making a mess while they build important science and reading skills. So roll up your sleeves and dig in to this week's ideas!

The olm is a blind salamander that lives in Europe. Kids will learn how pictures help illustrate concepts with this life science worksheet.

Can you and your child come up with a few ways to conserve water in your home? This printable starts you off with five ways to conserve water.

Try to find natural resources in this camping-themed worksheet for second and third graders!

Did you know the surface of the Earth is always changing? Learn about the events that change Earth's surface with this crossword puzzle for second and third graders!

Learn about the habitat of an axolotl in this hands-on kindergarten life science worksheet!

Dive into a coral reef habitat with this second- and third-grade worksheet!

Detect animal defenses in this hands-on worksheet for kindergarteners through second graders!

Dress for the weather with this fun cut-and-paste worksheet for early learners!

Discover how plants survive in the desert with this third-grade habitat worksheet!

Kids practice identifying liquids for a lesson on the states of matter in this 1st grade physical science worksheet.

Say hello to the red-eyed tree frog in this kindergarten and first-grade worksheet!

Build a food chain with this hands-on worksheet for kindergarteners and first graders!