What happens to water as it travels through mushy, smushy wetlands and swamps? Find out all about the water cycle and fill in scientific terms in the swamp.

Mix a little art into your science with this reading-slash-drawing sheet on hills and valleys.

Does your learner ever wonder what makes the Earth dark at night and bright during the day?

Is your child trying to answer the question what is weathering and erosion? This info sheet gives good definitions of the terms and some visual examples.

How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.

Here's a quick overview of drought and flooding to spark thoughts or conversation with your kids about water.

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

What's the difference between renewable and non-renewable energy? Help your student discover the various forms of energy we use each day.

Did you know that ocean water is salty, but river water is not? Find out how fresh and salt water mix together in this water cycle worksheet.

Help third and fourth graders become rock stars with this informative geology worksheet!

Test your child's science savvy with this worksheet, which asks your child to identify what items are made from plants.

Invite your child to dream big and design their very own planet. Encourage both creativity and scientific speculation with this fun worksheet.

Without rain, we wouldn't have any puddles to splash and stomp in. Does your third grader know why and how rain falls from the clouds?

This worksheet is all about the U.S. space mission of Friendship 7, and will help kids with reading comprehension and U.S. history knowledge all at once.

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.

Have you ever looked into the night sky and wondered where all those millions and million of stars come from? Find out here with a mini astronomy lesson!

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.

On this worksheet, kids learn all about the look and location of Uranus, and they get to cut out a picture to use in their own Solar System diagram.

Life on Earth is vast and varied, from high in the sky to the bottom of the sea. Learn more about what lives on Earth with this reading and quiz worksheet.

Discover the animals and plants of the past in this fossil-focused worksheet!

Search for natural resources with this fun worksheet for second and third graders!

Review the rock cycle with this second-, third-, and fourth-grade crossword puzzle!

Try to find natural resources in this camping-themed worksheet for second and third graders!

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

Study the night sky with this hands-on science worksheet for third and fourth graders!

This worksheet teaches all about the planet Saturn and its placement in the Solar System.

Look for natural resources around a farm in this engaging worksheet for second and third graders!

Search for natural resources at the beach in this engaging worksheet for second and third graders!

Help kids understand the size and scope of billions of years with this helpful reference worksheet.

Help your budding geologist learn about these common landforms in this worksheet on peninsulas and capes.