This large, flightless bird is both shy and aggressive toward humans, which has made it tough for scientists to study.

Studying earth science? Learn about the different types of clouds with the series of cloud types.

Color in the Cardinal, the state bird of Kentucky, in this state bird coloring page. Make sure to use a bright red crayon to color in those famous feathers.

Let your 1st grader color in the intriguing platypus and get a quick science science lesson too.

The Wyoming State bird is the Western Meadowlark. First graders can learn fun facts and add color to the picture!

The Kansas State bird is the Western Meadowlark. First graders will learn fun facts and add color to the picture of this state bird.

The Oregon state bird is the Western Meadowlark. First graders will love learning fun facts and adding color to the picture of this bird!

Challenge your first grader to put these plant life cycle stages in the correct order with this fun beginning biology sheet.

The Washington state bird is the Willow Goldfinch. First graders will learn fun facts and add color to help bring the picture of the bird to life!

The Nebraska state bird is the Western Meadowlark. First graders can learn fun facts about this bird then add color to bring it to life!

This Lily and Dragonfly coloring page will engage second graders in a fun coloring exercise while helping them learn the scientific names of the species.

The Sunflowers and Moth Coloring Page will engage second graders in adding color to bring the scene to life while learning the scientific names for the species!

The Washington, D.C. state bird is the Wood Thrush. First graders can learn fun facts and add color to bring the picture of this bird to life!

This nature coloring page features a detailed depiction of Hibiscus flowers and an African Mantis that your second grader can bring to life by adding color!

Expose your 1st grader to the animals of Australia in a fun way: coloring! Start with one of the cutest, most beloved animals Down Under, the koala.

The Alaska state bird is the Willow Ptarmigan, also known as the Willow Grouse. First graders can learn fun facts and add color to the picture of the bird!

Learn your clouds with this coloring series of cloud types that merges science with coloring fun.

Explore life science with this informative chicken life cycle worksheet. Help your student color and learn the names of each stage of a chicken's life.

Explore the circle of life with this informative coloring sheet! Help your student color and learn the names of each stage of a grasshopperâs life.

Introduce your child to the building blocks of life: DNA! This coloring page features a double helix structure, or a DNA strand.

Dig in to the layers of the earth with this science coloring page!

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!

In this recycle worksheet, kids color the different recyclable objects, then match them up with their corresponding bin. Try our recycle worksheet on Earth Day.

Learn about a few common insects and arachnids as you color them in!

Children copy the tracks of a frog, coyote, wild turkey, black bear, raccoon, and white-tailed deer in this nature-themed worksheet.

Let's talk about trees! Help your child use Earth Day as an excuse to praise the woody perennials that hardly ever get the recognition they deserve.