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!

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

How much do you know about the Snowy Owl? Learn a few fun facts about this species with a fun sheet, including a dot to dot!

Find out how colors work with an intro to the color spectrum. Kids will investigate the seven colors of the rainbow and do a color wheel experiment.

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!

Lots of people like turtles, but how much do you really know about them? Get to know one of many types of turtles with this informational worksheet.

Learn about a platypus’ habitat in this kindergarten cut-and-paste worksheet!

Uncover the needs and habitat of a fennec fox with this kindergarten life science 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?

How much do you know about our national bird? Enjoy an info page about the bald eagle, with a mini crossword, some fun facts and a picture to color.

Ever wonder what causes lightning to strike? Explore the physics of lightning with this striking physical science worksheet!

Learn about pearls, which seem like normal jewelry from a factory but are actually made from the mucus of mollusks!

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

Glass is everywhere, but have you ever wondered where it all came from? It doesn't grow anywhere -- we have to make it!

Ever wonder what makes the leaves change colors in the fall? Find out with this fascinating life science worksheet.

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.

Learn about a white-tailed deer's needs and habitat with this engaging kindergarten worksheet!

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

Did you know that one of the main ingredients of a perfect pearl is dust? Learn all about the bizarre process behind every pearl with this science 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!

Discover the habitat of a prairie dog with this cut-and-paste worksheet for kindergarteners!

Put your prediction proficiency to the test in this third-grade physical science worksheet!

Learn the ins and outs of one of the body's most important organs: the heart!

Explore the habitat of the great blue heron in this kindergarten worksheet!

In this worksheet, children identify and illustrate four things all plants need to grow. They then answer three simple research questions about plants.

Identify the needs and habitat of a poison dart frog in this hands-on kindergarten worksheet!

Introduce your budding scientist to chemical reactions with this simple and fun science experiment!

Learn all about your sense of smell with this diagram and coloring page.