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

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

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

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

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.