Milky Way: candy bar or galaxy of 100 to 400 billion stars?

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.

What's in the ground beneath our feet? Explore the science of soil with your child using this handy printable!

Does your little scientist know the water cycle? Challenge her with this cut and paste activity where she'll label each part of this water cycle!

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

Learn the science of volcanic eruption with this cutaway diagram

Read the definitions of soil, sand and dirt then write where you can find each type below the pictures. Nurture your budding geologist!

Kids completing this preschool science worksheet circle the appropriate clothes for fall weather.

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.

Show what you know about solar eclipses with this middle grades science worksheet!

This water cycle worksheet is great for 5th grade scientists. Try this water cycle worksheet with your child as a review for test preparation.

Learners explore and analyze the fossil record in this engaging life science worksheet!

Children get an introduction to plate tectonics in this geology worksheet.

If your child is fascinated by outer space, he'll love this solar system word search! While reviewing planet names, he'll ponder the mysteries of the universe.

Students explore the relationship between mass, distance, and gravity in this middle school science worksheet!

Encourage your little environmentalist to learn about composting! Children will boost their reading skills as they learn what compost is and how it helps the environment.

Children are introduced to the basic concepts of cloud formation in this diagramming and fill-in-the-blank activity.

Discover examples of weathering, erosion, and deposition with this fourth-grade worksheet!

Dress for the weather with this fun cut-and-paste worksheet for early learners!

Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

The water cycle plays a big role in weather patterns. Color this water cycle chart and get familiar with this cycle at work.

Become a disaster detective in this fun science worksheet!

Download this worksheet for answers to our animal reading comprehension series.

Learn about the identifying characteristics of the four main types of air masses in this informative science worksheet!

Explore the anatomy, physiology, and overall function of the sensory nervous system with this life science worksheet! 

Teach your child about prehistoric marine species with this trilobite coloring page!

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

This page presents the altocumulus cloud, the kind of cloud that often comes before a thunderstorm.

Get to know each of the Seven Summits, then organize their heights into a graph.

Learn your clouds with this coloring series of cloud types that merges science with coloring fun.