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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! 

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!

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.

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

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

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.

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

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

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

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

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

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

This worksheet teaches your child about physical properties of water, specific heat, kinetic energy and more.

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.

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

Explore one of the great mysteries of the universe with this space science worksheet on black holes.

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

Do you know why Mars is called the Red Planet? Find out that and more on this planet printable.

There's not much in the animal kingdom more interesting than tentacles with suckers! Learn about octopus anatomy with this worksheet.

What is Pluto? According to scientists... no, not quite. Find out more behind the answer to that age-old question.

Use clues to fill in the boxes in this crossword puzzle, and learn more about freshwater fish along the way.

Learn more about what lives--and what thrives--in marshes with this fill-in-the-blank worksheet on marsh ecosystems.

Little chemists can learn more about the elements in the periodic table with this helpful worksheet about molecules and compounds.