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

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!

Earth has many different land and water features—can you recognize them? Test your knowledge with this crossword puzzle for third and fourth graders!

Discover the phases of the moon with this third- and fourth-grade space science worksheet!

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

Get charged up about static electricity with this informative fourth- and fifth-grade worksheet!

Did you know the surface of the Earth is always changing? Learn about the events that change Earth's surface with this crossword puzzle for second and third graders!

Learn about fish, amphibians, birds, mammals, and reptiles with this colorful life science worksheet for first and second graders!

Learn how energy changes forms with this fourth- and fifth-grade physical science worksheet!

Discover Earth’s different spheres with this fourth- and fifth-grade earth science activity!

Explore magnetism with this colorful science worksheet for third and fourth graders!

Discover how cover crops enrich soil and support healthy crop growth with this research-based worksheet for fourth and fifth graders!

What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade worksheet!

Discover how water flows in this informative environmental science worksheet!

Learn how conductors and insulators affect the flow of electricity in this helpful fourth- and fifth-grade worksheet!

Dig into the past with this third-grade worksheet all about fossils!

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!

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!

Dive into habitat studies with this second- and third-grade worksheet!

Uncover secrets of the past with this third-grade worksheet about fossils!

Do you measure distance in inches or seconds? When do you use miles? Answer these and more with this third-grade worksheet about the customary system of measurement! 

Learn about some of the major U.S. watersheds in this fascinating science and geography worksheet!

What do a key, a goldfish, and a tortoise shell have in common? Find out with this second-grade science worksheet!

Unearth fossils in this explorative third-grade worksheet!

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

Determine which plants would survive in a pond with this second- and third-grade worksheet!

Explore a forest habitat with this life science worksheet for second graders!

Learn about some of the most common forms of energy with this helpful one-pager for third graders!