Where do flower babies come from? Find the answers in this word search about plant reproduction!

How do you think our universe will end? With this worksheet, explore some of the common theories, and then come up with some of your own!

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.

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.

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.

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.

Let your child explore the vocabulary associated with Earth's landforms with this colorful word search.

Learn a bit about meteors, asteroids and comets as they travel across the night sky. Can your child round out the page by adding color to these orbiting rocks?

Did you know that sound is actually caused by movement? Vibrations of particles create the sound that we hear.

Learn about the many different biomes the Earth is home to in this life science worksheet, which holds the answers to some simple life science questions.

Break down a word to create new ones with this fun worksheet for second through fifth graders!

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

Learn about some of the most common forms of energy with this helpful one-pager for third graders!

Discover how water flows in this informative environmental science worksheet!