Our solar system has hundreds of moons! Read a bit about how a moon is formed with this lunar lesson.

Do you know how clouds form? Get the basic idea of how moisture in the air can become a cloud.

Do you know how Tsunamis are formed? This worksheet shows the physics behind tsunami formation.

Do you know how tornadoes form?This science worksheet diagrams what is known about what causes tornadoes to form.

Children are introduced to the basic concepts of cloud formation in this diagramming and fill-in-the-blank activity.

Discover some of the ways that Earth’s natural resources are used in this first-grade worksheet!

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.

The change of seasons affects the kinds of activities we do. Use these printable weather postcards to show how activities change with the seasons.

Learn about how the Earth was formed in this science worksheet that covers the early years of the Earth.

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

Discover the impact of water on Earth’s landscape with this fourth-grade erosion worksheet!

How do clouds form? Why does it rain? Help your student answer some of these questions by completing this water cycle worksheet.

How do you know when it's wintertime? Have your child complete this winter writing prompt to exercise writing skills and reinforce seasonal knowledge.

How much do you know about our solar system's planets? Kids learn facts about Neptune in an out-of-this-world worksheet.

How do you think our universe will end? With this worksheet, explore some of the common theories, and then come up with some of your own!

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!

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?

What's in the ground beneath our feet? Explore the science of soil with your child using this handy printable!

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.

Practice identifying seasons with these printable weather postcards. Kids will see how different weather patterns affect how they dress with seasonal postcards.

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

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!

See the wind in action! Little scientists can make and decorate their very own windsocks to hang in the breeze, using this template.

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Have any good ideas for recreational resources? The term "recreational resources" has to do with the activities we do for enjoyment and the places that we go.

Explore the science of the sun with this make-your-own sundial activity! Just do a little bit of cutting and coloring, and let the sun do the rest of the work.

See how seasons affect the trees with these printable weather postcards. Learn about the weather, and get some writing practice, with these seasonal postcards.

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

This set of weather-themed postcards shows your child how to dress seasonally. These postcards help your child identify seasons and improve writing skills.