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.

Children are introduced to the basic concepts of cloud formation in this diagramming and fill-in-the-blank activity.

Stem, primary root, secondary root … Let your kid dig into this colorful worksheet, and fill in the missing names on this tree parts diagram.

Is your child baffled by the scientific method? Dr. McSquare is here to help! Learn the steps by helping the doctor organize his lab reports.

Discover the difference between comets and asteroids in this stellar earth and space science worksheet!

Natural resources are crucial for sustaining life on the planet. Encourage your child to get to thinking about plants, one of Earth's natural resources.

This bright and colorful worksheet helps your child bring the technical terms of the bones in his legs down to size.

Can you identify the difference between inherited and acquired traits?

Observe and record the weather with your kindergartener with this cute fill-in weather graph.

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

In this North American animal tracks worksheet, students hone their observation skills by matching tracks to animals.

Children get to know the tracks of familiar farm animals in this drawing activity.

For all you mad scientists, here is a helpful lab safety 101! You'll get to read a few basic rules, and then complete a word search.

Identify the appearance of the moon during its three main phases which include the New Moon, Quarter Moon, and Full Moon.

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

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of plants.

These STEM design challenge cards ask learners to build something new for a specific reason or purpose and are a great way to foster creative thinking.

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.

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

Outer space enthusiasts, here is the perfect project for you! Make a solar system mobile with this 8-part printable.

Explore humans’ inherited traits with this fun science worksheet!

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

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

Observe a zebra’s survival adaptations in this life science worksheet!