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.

Rain or shine, get ready for some weather watching! Record data to observe the weather patterns over the course of a week.

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

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

Study the night sky with this hands-on science worksheet for third and fourth graders!

Study the traits of desert plants with this cut-and-paste worksheet for kindergarteners and first graders!

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

This large, flightless bird is both shy and aggressive toward humans, which has made it tough for scientists to study.

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

Can you figure out how the Triceratops got his name? Study this Triceratops fact sheet and see if you can guess.

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!

Dive into habitat studies with this second- and third-grade worksheet!

Studying earth science? Learn about the different types of clouds with the series of cloud types.

This helpful worksheet lays out all the qualifications for planethood. A great way to start studying outer space science!

Let your scientific skills shine as you decide which objects will let light pass through in this kindergarten and first-grade worksheet!

See if you can identify the objects that let light pass through them with this kindergarten and first-grade worksheet!

Children learn to identify the tracks of a pine marten, chipmunk, mountain lion, mountain goat, and grizzly bear in this matching worksheet.

These pictures have a lot to say! The animals in this worksheet don't talkÃbut they can tell you a lot about what they're like by the way they look.

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

Help your student become aware of everyday energy use with this fill-in-the-blank worksheet.

Increase your child's vocabulary and knowledge of the scientific world around him with a single sheet!

Children match animals to their ecosystems in this life sciences worksheet.

Learn more about how plants work with this cool celery experiment! Use this worksheet to help you record your observations after doing this experiment.

Children learn about the animals that inhabit Australia in this tracks-matching activity.