This Earth Day quiz family and friends with this true or false questionnaire. It's all in good, informative, fun!

How did salt ever get into the ocean? Find out how, and then try conducting your own salt water experiment.

Practice geology vocabulary with this challenging crossword puzzle.

Can your little geologist identify the three main types of rock? Test his earth science savvy with a matching activity.

Outer space enthusiasts, here is the perfect project for you! Make a solar system mobile with this 8-part printable.

Where to flower babies come from? Use this word search to learn about the different pollinators in our environment, and how they help spread plant seeds.

Ocean resources are an incredible part of how we live our lives; read and write about them with this worksheet.

Almost half of all known fish species call ponds, lakes, rivers, and other freshwater habitats home. Learn about freshwater fish in this worksheet.

Here's a beautiful science page to help your child learn the different types of clouds.

Here's an introduction to different types of rocks.

Get swept up in this comprehensive worksheet about the awesome power of dust storms.

What is the rocky cycle? This info sheet answers that question with the help of a colorful diagram and a shout out to important vocabulary.

Dig in to the layers of the earth with this science coloring page!

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

Learn the many features of planet earth in this easy earth science vocabulary chart.

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

Where do flower babies come from? Find the answers in this word search about plant reproduction!

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

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

Ever wonder what the earth is made of? Help your little scientist to examine the different types of soil particles with this worksheet.

Here's a fun way for kids to review their knowledge of earth science terms. Challenge your child to give a definition of each word as he finds it.

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

Have you ever wondered what keeps the moon in orbit? Newton's first law gets a quick introduction, too, in this worksheet for kids. Check it out!

Through a simple matching activity, kids learn how their actions can have a direct effect on the environment.

Space enthusiasts will love learning about Freedom 7, the first manned American space mission.

How much do you know about our home planet? Boost your Earth knowledge with this science printable.

Do you know why Mars is called the Red Planet? Find out that and more on this planet printable.

Kids will learn about fossils in this worksheet. Help your child learn about the scientific method by getting him to examine a fossilized dinosaur skeleton.

Encourage your little environmentalist to learn about composting! Children will boost their reading skills as they learn what compost is and how it helps the environment.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.