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.

Give your budding chemist the facts and practice she needs for measuring with graduated cylinders.

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.

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

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

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

Young botanists test their plant know-how with this quiz.

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!

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!

Take a peek into a temperate forest ecosystem with this food web worksheet for fourth and fifth graders!

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

What happens to water after it rains? Learn about the stages of the water cycle in this colorful worksheet!

Mix, boil, and toast your way to understanding energy transformations with this fourth-grade worksheet!

Discover examples of weathering, erosion, and deposition with this fourth-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!

Can you identify the difference between inherited and acquired traits?

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

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!