Did you know there are clouds in space? They are very different than the ones on Earth! Read a bit about nebula in this space science worksheet.

If your student is stuck on Celsius, hand him this multiplication and division practice sheet.

A fill-in-the-blank exercise on tornadoes, made for fifth grade science students.

Where to flower babies come from? Use this word search to learn about the different pollinators in our environment, and how they help spread plant seeds.

Practice geology vocabulary with this challenging crossword puzzle.

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

There are lots of stories around the world for the rabbit moon: a rabbit image seen in the shadows on the moon's face. Here's one for young moon-gazers!

This worksheet is a quick-reference tool of space vocabulary for kids, with an exercise to use the words properly in provided sentences.

Learn all about wildfires, a natural phenomenon looked upon with awe and caution.

Does your learner ever wonder what makes the Earth dark at night and bright during the day?

Learn about the science behind one of nature's most awesome spectacles: monsoons.

Learn Saturn facts with this science printable, like that it is one of the large gas planets in our solar system!

Let your coloring skills blossom with this flower anatomy worksheet. Make your own flower, color and put your vocabulary skills to the test!

Almost nothing in this universe can travel faster than light! Have some fun exploring the speed of light with this space science worksheet.

The infamous Halley's Comet only comes around once every 75 years or so! Read some interesting info on the world's most famous comet.

Don't let your kid bark up the wrong tree! Engage him in a word search filled with tree terms, boosting his attention to detail and problem solving skills.

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

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.

Looking for a fourth grade worksheet to help your kid with astronomy? This printable will help him learn the relative sizes of planets.

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

This printable features the planet closest to the sun. Learn Mercury facts and further your knowledge of outer space by discovering new things.

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

This word search introduces your child to important rocks and minerals vocabulary, as it strengthens his attention to detail.

Learn what distinguishes a meteoroid, meteor and meteorite with this outer space science sheet!

Our solar system has hundreds of moons! Read a bit about how a moon is formed with this lunar lesson.

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

Learn more about the imposing tsunami with this worksheet about the science of tsunamis.

Do you know how Tsunamis are formed? This worksheet shows the physics behind tsunami formation.

This Earth Day, learn about conservation and the environment while you enjoy solving a fun puzzle!