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

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.

Learn a bit about meteors, asteroids and comets as they travel across the night sky. Can your child round out the page by adding color to these orbiting rocks?

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 are listed a handful of natural resources, for kids to classify as renewable resources and nonrenewable resources.

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.

Kids can explore ideas of storytelling and science as they fill in this comparison grid with their opinions. Start a conversation of ideas with this worksheet!

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!

This word search introduces your child to important rocks and minerals vocabulary, as it strengthens his attention to detail.

Looking for a worksheet to help your kid with science? This printable will help him with his knowledge of geology.

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

Read the definitions of soil, sand and dirt then write where you can find each type below the pictures. Nurture your budding geologist!

Read the definitions given for soil, sand and dirt then write down where each element can be found below the pictures.

Become a disaster detective in this fun science worksheet!

Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

Create and observe your very own rainbow using light and water with this science experiment worksheet!

Discover how cover crops enrich soil and support healthy crop growth with this research-based worksheet for fourth and fifth graders!

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

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?

Challenge your science student to record a shadow over the course of a day and make the connection between shadows and the time of day.

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.

What is a car made of? This worksheet asks you and your child to think about parts of a vehicle and where each listed resource was used.

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.