Find a definition of what "natural resources" are, and complete the natural resources word search. It's a good vocabulary warm-up!

Complete this simple and engaging exercise about the planet Mars by reading the information and labeling Mars' layers using what you've learned.

Use this fossils worksheet to help a child learn about life on earth. Your child will learn about evolution and extinction, and also form a hypothesis.

How do you know when it's wintertime? Have your child complete this winter writing prompt to exercise writing skills and reinforce seasonal knowledge.

Did you know snowflakes are so unique, there are no two alike? Teach your child about how snow forms with this worksheet.

How do clouds form? Why does it rain? Help your student answer some of these questions by completing this water cycle worksheet.

A natural resource is something that we use that occurs naturally in the environment. Teach your child about the densest and heaviest natural resource: rocks!

Discover the ways that you can help the planet in your everyday life in this inviting worksheet!

There's no better way to get your child thinking about the weather than by having them write about it. Kids write a sentence about the weather in each picture.

Boost your second grader's knowledge of space with this fun worksheet, which will have her unscrambling the answers to planetary trivia.

Microscopes bring biology to life, allowing us to explore the world's tiniest living things. Have your child create his own organism in the sample slide.

Find out all about snow in this worksheet -- what it is, where it comes from and what it looks like.

Explore the science of the sun with this make-your-own sundial activity! Just do a little bit of cutting and coloring, and let the sun do the rest of the work.

Get this earth science worksheet that will challenge your child's knowledge of volcanoes and teach him some new vocabulary.

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!

Construct your own map with this hands-on science worksheet for second graders!

Does your little gardener know about compost? Test their knowledge of this sensationally smelly earth science process!

Tree climbers and tree huggers alike, learn the basics of reading tree rings to find out about the life of a tree.

The earth is always changing and moving.Learn all about weathering and erosion with this worksheet.