Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

This page is all about building your kid's natural resources vocabulary words, along with research skills.

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

Here is a fresh and fruity way to learn a bit of life science. Sit down with your little one and teach them all the different parts of an apple!

Quiz your little scientist on his knowledge of the soil layers! He'll be reviewing some important earth science concepts and key terms.

Peel back the layers of the earth in this earth science worksheet. Can you name all of them?

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

Is orange juice a solid or liquid? What about a cookie? Practice classifying everyday objects in this first- and second-grade states of matter worksheet!

Practice identifying living and nonliving things with this first- and second-grade science worksheet!

Analyze everyday objects and identify states of matter with this second- and third-grade science worksheet!

Get to know the basic parts of a plant with this first- and second-grade life science worksheet!

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

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

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

Help third and fourth graders become rock stars with this informative geology worksheet!

Is a feather liquid, soft, spotted, or heavy? Practice describing everyday objects, or matter, with this second-grade science worksheet!

Learn about the life cycle of a tomato plant in this worksheet for second and third graders!

Did you know plants make their own food? Discover how with this fill-in-the-blank worksheet for third and fourth graders!

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

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.

What is the purpose of a hard shell or a long neck? Discover different adaptations with this matching worksheet for second and third graders!

Learn about the texture and hardness of different objects in this second-grade worksheet!

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

Discover the importance of butterflies in pollination with this informative worksheet!

Test your knowledge of electrical energy with this third- and fourth-grade worksheet!

Learn how seeds move with this second- and third-grade matching activity!

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

Can you identify the difference between inherited and acquired traits?