Glass is everywhere, but have you ever wondered where it all came from? It doesn't grow anywhere -- we have to make it!

Identify the appearance of the moon during its three main phases which include the New Moon, Quarter Moon, and Full Moon.

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

Is your child trying to answer the question what is weathering and erosion? This info sheet gives good definitions of the terms and some visual examples.

Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

How did salt ever get into the ocean? Find out how, and then try conducting your own salt water experiment.

Practice geology vocabulary with this challenging crossword puzzle.

All kids love animals, but how much does your child know about them? Kids will get to learn some animal vocabulary with this wild crossword puzzle.

Have you ever wondered why water in a drinking glass looks clear while water in the ocean looks blue? Find out why with this fun worksheet!

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.

Collecting data is an important part of math and statistics. Practice gathering data using items around the house or classroom!

Young astronomers unscramble words to reveal the heavens in this fun space science worksheet.

Get swept up in this comprehensive worksheet about the awesome power of dust storms.

What is the rocky cycle? This info sheet answers that question with the help of a colorful diagram and a shout out to important vocabulary.

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

Put your kid's observational skills to the test with this word search that will help her learn some of the animals that inhabit a rainforest.

Have you ever wondered what keeps the moon in orbit? Newton's first law gets a quick introduction, too, in this worksheet for kids. Check it out!

Space enthusiasts will love learning about Freedom 7, the first manned American space mission.

How much do you know about our home planet? Boost your Earth knowledge with this science printable.

A useful overview of terrestrial biomes, including a climate key.

Do you know why Mars is called the Red Planet? Find out that and more on this planet printable.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

Without rain, we wouldn't have any puddles to splash and stomp in. Does your third grader know why and how rain falls from the clouds?

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

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

Teach your child how to respect the ecosystem with a science worksheet that doubles as a coloring page. Can they identify the sources of pollution in the scene?

Are cats trying to talk to us when they purr? Discover the meaning behind the purr in this worksheet that explores the three main types of cat purrs.

Ancient mariners mistook the manatee for a mermaid! Your young biologist won't make the same mistake after learning about the manatee with this worksheet.

What is wind energy? Teach your students how we can use the wind to create electricity!