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.

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.

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.

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!

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

First graders can learn about the planet Venus and label its layers in this simple and engaging exercise!

Ever wonder what the earth is made of? Practice reading and writing, and learn about the four layers of planet Earth.

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

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

This thermometer worksheet gives your child practice reading and using a thermometer. Try this thermometer and temperature worksheet with your child.

Grab your colored pencils and your crayons and get your creative juices flowing with a story starter worksheet that lets you add the illustrations!

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.

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.