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.

Learn more about the bones in your body and just how important they are with this reading sheet and diagram, all in one.

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! 

Our silkworm facts help your little one understand more about these special invertebrates. He'll read about their life stages and answer some questions.

Fact: This worksheet is about unusual animals from all over the world. Opinion: This is the best fact and opinion worksheet ever!

Help your child learn about facts and opinions in this animal-themed worksheet! Students will read sentences and decide whether they express facts or opinions.

Help your child learn about facts and opinions. Kids will read statements about animals before determining whether each statement is a fact or opinion.

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

Learn all about the cumulonimbus cloud, more commonly known by a much more fearsome name: the thundercloud!

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

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

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

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

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

Learn more about the imposing tsunami with this worksheet about the science of tsunamis.

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

Learn more about the swirling, whirling science behind tornadoes with this wild worksheet.

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

Find out more about single-cell organisms with this coloring page and diagram.

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

Learn more about the mysterious brain and how it works with this brain anatomy worksheet.

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

Learn more about the skin (and the science behind pimples -- ew!) in this printable life science diagram.

Dr. McSquare needs help sorting out his lab reports. Can your child read each item, then label it with the correct scientific method step?

Find out more about what REALLY dwells in swamp ecosystems with this worksheet all about swamps.

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

Learn more about a tide pool habitat with this life science worksheet for second and third graders!

Help your child learn about one of the most elementary elements, gold.

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

Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.