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

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

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

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

Change up your regular classwork with this hands-on science worksheet!

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

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

Bug out on some insect anatomy! Can you name each part of the insect? Try making an educated guess by using what you already know about animal body parts.

Has your child learned about the life cycle of a frog in school? Test his understanding with this cute cut and paste worksheet.

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

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

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.