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.

Let your little weather observer discover the four seasons! She'll match up each season with its proper picture to show her knowledge of how weather changes.

Fossils have a lot to teach us about life on earth, but they can also be used to help teach kids the scientific method.

Let your kid's knowledge of leaf vocabulary climb as high as a tall, tall tree with this fun word search.

Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

Introduce the basic concepts of sinking and floating with this fun worksheet. Your budding scientist will decide if these objects sink or float!

How does the butterfly become so beautiful? Learn about the four stages that it goes through in its life.

Ever wonder what the earth is made of? Practice reading and writing, and learn about the four layers of planet Earth.

Here are four examples of mineral resources for kids to think about, plus a short explanation of what a mineral resource is.

Life on Earth is vast and varied, from high in the sky to the bottom of the sea. Learn more about what lives on Earth with this reading and quiz worksheet.

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

What are the different layers of soil? In this worksheet your child will use clues to identify four major soil components: silt, topsoil, humus, and clay.

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

Do you wish to boldly go where no astronaut has ever gone? Blast off with this coloring page that features four new planets for you and your crayons to explore.

Discover the animals and plants of the past in this fossil-focused worksheet!

Help your child learn weather words with this climate-themed word search.

Learn how sand dunes form, and a little bit about desert formations like yardangs as well, in this science summary sheet.

This page celebrates the Louisiana state bird, the Brown Pelican!

The California condor has been brought back from the brink of extinction. This worksheet will help your little bird lover learn all about the condor.

Camarasaurus had nostrils on top of his head! Celebrate this nose-y dinosaur with this fun dot to dot page.

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

This worksheet tests kids' understanding of basic heredity by asking them to match parent turtles with their offspring based on similar traits.

Brighten your dino lover's day with this fun fact dot to dot all about Struthiomimus, the "ostrich mimic".

Learn to read a standard thermometer in both Fahrenheit and Celsius in this informative second- and third-grade worksheet! 

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

Get to know the Apollo 11 space mission in this science and history worksheet!

Shed some light on the interactions between objects and light with this science worksheet for kindergarteners and first graders!

Dig your hands into some earth science with this soil sheet! Your little scientist can hone his reading skills as he learns what soil is and how it is formed.

What do a key, a goldfish, and a tortoise shell have in common? Find out with this second-grade science worksheet!

Mix, boil, and toast your way to understanding energy transformations with this fourth-grade worksheet!