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!

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Learn facts about Venus, the planet that shines the brightest in our night sky! Then practice your knowledge of the solar system with bonus trivia at the end.

Write down the name of each season that is shown in the pictures then color them and turn this worksheet into a unique placemat that can be used year-round!

Budding scientists record their observations with this open-ended magnifying glass template!

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.

Seasonal weather postcards get kids to learn some vocabulary and identify the seasons. Learn about spring, summer, fall, and winter with weather postcards.

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 more about the swirling, whirling science behind tornadoes with this wild worksheet.

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

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

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

Nature is all around us! But how much does your child know about our natural world? Test her knowledge with some nature fun-facts trivia.

Find out all about snow in this worksheet -- what it is, where it comes from and what it looks like.

Dive into the deep, vast world of ocean science with this introductory sheet on the world's different oceans.