These two children sure look alike -- maybe because they're twins!

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

Use this cool 2-page worksheet to make your own big dipper clock!

Explore the science behind how hurricanes are forecasted with this two-page environmental science worksheet!

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.

Print out a set of weather-themed postcards to give your child practice identifying seasons. These weather postcards also allow kids to practice writing skills.

Do you know what the Aquarius constellation looks like in the night sky? Complete this dot-to-dot worksheet to find out!

Give your student a great Earth Science study tool, complete with a list of fun facts and a word search all about the grasslands.

Invite students to explore the cause and effect of earthquakes with this two-page environmental science worksheet!

Explore how, when, and why lunar eclipses occur with this two-page earth science worksheet!

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

Investigate the practice of deforestation in a real-world context with this two-page environmental science worksheet.

Students explore the impact of water pollution and conduct their own case study with this two-page environmental science worksheet!

Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

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

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.

Cave formations come in all kinds of shapes and sizes; get the scoop on common cave formations with this two page printout with a maze and vocabulary.

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

Let your kid's knowledge of leaf vocabulary climb as high as a tall, tall tree with this fun word search.

This worksheet is a quick-reference tool of space vocabulary for kids, with an exercise to use the words properly in provided sentences.

What is a plateau? What's the difference between a butte and a mesa? Look at these three land forms and learn to tell them apart with this worksheet.

Kids completing this preschool science worksheet circle the appropriate clothes for fall weather.

Brr! Kids completing this preschool science worksheet circle the appropriate clothes for winter weather.

Show what you know about the Earth-sun system with this earth and space science worksheet!

Splish, splash! It's a warm spring day, but a rain shower is on the way! Kids completing this preschool science worksheet circle clothes for spring weather.

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

Does your child know where Earth is in the Solar System? He'll learn as he completes this fun, planet printable.

Practice weather comparisons with your blossoming meteorologist!