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 about a famous woman of science, Rosalind Franklin, and how she contributed to the discovery of DNA's double-helix structure.

Get to know the fearsome Ankylosaurus with this cool printable that doubles as a dot to dot activity and coloring page.

Go green and grow your own vegetable garden! With this helpful cheat sheet, you can learn a bit about planting radish.

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

The Wyoming State bird is the Western Meadowlark. First graders can learn fun facts and add color to the picture!

Have you ever heard of a bird building a structure of sticks and leaves in order to attract mates? You have now.

Learn a basic concepts physical science with this fun worksheet. Your little one will decide which objects sink, and which ones float!

Ever wonder what a shooting star is made of? With this colorful worksheet, learn about comets while practicing reading comprehension and handwriting.

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

Find out how scientists explain our yawns and use the graph to keep track of your family's yawns for a whole day!

How does our sense of taste function? Introduce your child to the anatomy of our tongue with this diagram and info sheet.

This multi-page worksheet provides an opportunity for kids to practice both their understanding of food webs and their reading comprension skills.

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

Children copy the tracks of a frog, coyote, wild turkey, black bear, raccoon, and white-tailed deer in this nature-themed worksheet.

Color in this diagram to see how a tree works and to better understand how many plants transport their "food".

Learn all about the ooey-gooey areas of land called wetlands that provide a home for certain kinds of plants and animals.

Can you tell which things are living or non-living? This is a great way to introduce kids to animal and life sciences.

Little biologists will use this respiratory system diagram to identify the most important parts of the human respiratory system and their functions.

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

Introduce the basic concepts of sinking and floating with this fun worksheet. Your budding scientist will decide if these objects sink or float!

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

Learners will get to know the bald eagle, the national bird of the United States and an inhabitant of Yellowstone National Park.

Soar through a series of Australian animals worksheets, stopping to appreciate massive birds like the wedge-tailed eagle and its 7-foot wingspan!

Ecosystems are an important part of fourth grade science. This fun printable will help your child with her knowledge of plants and animals.

Go from a butterfly beginner to an expert with this worksheet, full of pretty butterflies and tons of information about where butterflies live.l

Plant a paper flower garden with this fun sorting activity! Children color the flowers, then cut them out and sort them by type.

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

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.