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

Learn the science of volcanic eruption with this cutaway diagram

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

This worksheet features Mercury, the smallest planet in our Solar System, and also the planet that's closest to the Sun.

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

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?

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.

A coloring sheet of a Mars rover searching for life on other planets.

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.

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.

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.

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

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

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.

Teach your kids all about the second planet from the Sun with this simple science sheet.

How well does your child know the layout of our Solar System? This worksheet focuses on the biggest planet, Jupiter.

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.

These "Dig It!" worksheets not only teach about life on earth, they teach the scientific method as well.

Understand nature's visual cues for the shifting of the seasons with this tree seasons match-up activity!

Did you know that there are forests in the temperate ocean ecosystem? Learn all about the temperate ocean with this fun ecosystems sheet!

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

Renewable energy is extremely important for the Earth's future! Test your child's knowledge of renewable resources with this review sheet.

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

Ever lay on your back to watch the clouds? With this cloud chart you and your little scientist can identify the different types of cloud formations.

What is biomass energy? Learn about an important form of renewable energy with this colorful worksheet.

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

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

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

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.