This colorful diagram is a handy reference guide for kids learning basic body systems.

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

Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

A handy worksheet that breaks down the properties of metal. A good physical science review sheet to keep around for reference.

This worksheet is a quick-reference tool of space vocabulary for kids, with an exercise to use the words properly in provided sentences.

What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade worksheet!

Is a feather liquid, soft, spotted, or heavy? Practice describing everyday objects, or matter, with this second-grade science worksheet!

Explore the applications of electrical energy with this helpful second-grade worksheet!

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

Learn about the texture and hardness of different objects in this second-grade worksheet!

Get into the habit of recycling food waste and other household materials by making your own compost pile!

Students flex their physical science knowledge by classifying items as solids or liquids in this fourth grade states of matter worksheet.

Learn about some of the most common forms of energy with this helpful one-pager for third graders!

Discover different types of energy with this third- and fourth-grade science worksheet!

Use a seesaw to see what happens when opposing forces become balanced or unbalanced!

Gear up to go into the science lab with the help of this activity!

In this North American animal tracks worksheet, students hone their observation skills by matching tracks to animals.

Learn about the science behind one of nature's most awesome spectacles: monsoons.

Read about one of Yellowstone National Park's coolest animals, the big horn sheep.

Learn about Red River Hogs in this series of animals facts sheets and coloring pages in one.

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

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

Determine which magnets have the strongest force in this third- and fourth-grade worksheet!

With this diagram, kids can find out more about oil, one of our most widely-used natural resources, and learn a little more about where it comes from.

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

Dig into the past with this third-grade worksheet all about fossils!

Do you measure distance in inches or seconds? When do you use miles? Answer these and more with this third-grade worksheet about the customary system of measurement! 

Don't let your kid bark up the wrong tree! Engage him in a word search filled with tree terms, boosting his attention to detail and problem solving skills.

The narwhal is one unusual animal! Your child will learn about this horned sea creature through text and pictures.