Explore the lush plant life of the tropical rainforest in this second- and third-grade worksheet!

Use your detective skills to predict the motion of a seesaw in this third-grade worksheet!

Launch into learning with this worksheet on Gemini 4, one of the original missions in the early days of the U.S.'s space program.

Take a science-filled trip to an amusement park in this third- and fourth-grade worksheet!

Learn how seeds move with this second- and third-grade matching activity!

Did you know people can live with just one kidney? Get a head start on human anatomy with this info sheet on kidneys.

Practice naming the planets in our solar system with a fun, visual worksheet! Your child can see the planets in their orbits and try to label each one.

Dive into a coral reef habitat with this second- and third-grade worksheet!

How was our solar system created? Read a bit about one of the most well-known theories in this worksheet about the Big Bang.

Introduce your child to a fascinating new animal, the Baird's tapir. This is just one of many endangered species around the world.

Apply concepts of energy and motion to marbles in this fourth-grade worksheet!

Analyze fossils with this engaging third-grade science worksheet!

Ever wonder how the human body functions? Enjoy this great info sheet all about the human heart, one of our most important organs.

All living things go through many changes as they grow to be adults! Help your little one understand how he will grow and change.

Discover how plants survive in the desert with this third-grade habitat worksheet!

Review the rock cycle with this second-, third-, and fourth-grade crossword puzzle!

Get charged up about static electricity with this informative fourth- and fifth-grade worksheet!

Color the T Rex Leech! Named for its sharp teeth, he is one of many brand new species discovered in the past two years.

Observe the life cycle of an oriole with this second- and third-grade worksheet!

Coyotes' famous howl gave them the nickname "song dogs." This is just one of several coyote facts your child can learn from this worksheet.

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

One of the most famous and easy to spot constellations is the Big Dipper! Formally known as Ursa Major, this constellation was named after a bear.

Learn how energy changes forms with this fourth- and fifth-grade physical science worksheet!

Fifth-grade learners will look at a diagram of a cell, then follow the instructions to label its parts by color.