Learn all about your body's most important muscle: your heart! This simple diagram is a great way to introduce your little biologist to his heart.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!

This Earth maze features a cool globe design. Perfect as an Earth Day activity, our Earth maze gets your child to consider our home planet.

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.

Label the parts of a butterfly in this butterfly diagram worksheet!

Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

It's never too early to start teaching your kid about eating right and staying active.

Experiment with renewable energy from the comfort of home by creating a pizza box solar oven!

Let your curious kid learn a little bit about how fireworks work in this summer science sheet.

First graders can learn all about the sun by reading the facts then using what they've learned to label each layer of the sun.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

A lot of common objects use electromagnets to work. This word search will get your child thinking about all the electrical and mechanical devices around her!

Looking for a fourth grade worksheet to help your kid with science? This printable will help with your child's botany vocabulary.

What is the Earth? Here is a reading passage and a word search to help your kid get acquainted with Earth science.

Children get a mini lesson in writing and the weather with this coloring worksheet.

The holiday season is here! Bring this cool snowman to life by coloring him according to the color chart.

Children familiarize themselves with the tracks of a duck, bobcat, coyote, deer, raccoon, and black bear in this life sciences worksheet.

This fun cut and paste sheet teaches kids about the process an apple tree goes through as it grows.

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

Classify the animals in this life sciences matching worksheet!

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

Children work on pattern-spotting and observation skills as they determine which of these six type of creatures is a bird.

Are chickens mammals, fish, or birds? Sort animals by their traits in this informative life science worksheet!

Match the sense to the picture in this five senses worksheet!

Children will enjoy this appealing worksheet that invites them to consider which of the items shown are necessary to plant life.

In this introductory tree-diagramming worksheet, young naturalists will unscramble each label to reveal five parts of the tree.

Build nature vocabulary with this habitat-matching worksheet!

The next time your parents ask you to wash your hands before dinner, read this worksheet about Joseph Lister and take their advice!

Spot the living things in nature with this engaging life science worksheet!