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

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

Learn how sand dunes form, and a little bit about desert formations like yardangs as well, in this science summary sheet.

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.

Tree climbers and tree huggers alike, learn the basics of reading tree rings to find out about the life of a tree.

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

For kids learning geography or earth science, this is the perfect review sheet for drilling students on common geography terms and phrases.

Quiz your little scientist on his knowledge of the soil layers! He'll be reviewing some important earth science concepts and key terms.

Go cloud-gazing on a nice day, and use this fun cut-out chart to name the types of clouds you see!

What does the Earth look like? Find out all about the nooks and crannies that cover the planet with this landforms worksheet.

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

What is the Earth? Here is a reading passage and a word search to help your kid get acquainted with Earth science.

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

Can you help Cornelius create a crazy compost concoction? Help your child review his knowledge of compost and recycling with this fun worksheet.

Let your coloring skills blossom with this flower anatomy worksheet. Make your own flower, color and put your vocabulary skills to the test!

Mini meteorologists will love predicting the weather with this worksheet! Build logic and a sense of chronology by drawing pictures of the forecast.

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

This printable features the planet closest to the sun. Learn Mercury facts and further your knowledge of outer space by discovering new things.

Dig up some earth science learning with this printable, and turn your next hike or beach excursion into a lesson in soil science!

In this puzzle, children will trace the names of the seasons, then cut them out and paste them below the correct picture.

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

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

All of these products are made from plants, or they can be! Practice using a Venn diagram, researching and classifying items with your kids.

Your young cosmonaut will work on reading comprehension, story sequencing, and creative writing while he's diving into the far reaches of our universe.

Does your little scientist know the water cycle? Challenge her with this cut and paste activity where she'll label each part of this water cycle!

Did you know there is a tortoise who is over 100 years old? Learn some interesting animal facts with this cut and paste matching activity!

Can you tell if it is sunny, windy, or cloudy outside? Learn about different types of weather in this worksheet for kindergarteners and first graders!

Do you ever see shapes in the stars at night? In ancient times, people named these shapes, and now we know them today as constellations!

A natural resource is something that we use that occurs naturally in the environment. Teach your child about the densest and heaviest natural resource: rocks!