Showing Results for how when

Learn about how the Earth was formed in this science worksheet that covers the early years of the Earth.

Help kids understand the size and scope of billions of years with this helpful reference worksheet.

Have you ever looked into the night sky and wondered where all those millions and million of stars come from? Find out here with a mini astronomy lesson!

It's pretty rare when a planet comes between Earth and the sun, but it happened on June 5, 2012. Learn about this mind-boggling event with this cool worksheet!

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

How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.

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.

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

How far away is the Red Planet from the sun? Find out with this great Solar System printable.

Learn how sand dunes form, and a little bit about desert formations like yardangs as well, in this science summary sheet.

How much do you know about our solar system's planets? Kids learn facts about Neptune in an out-of-this-world worksheet.

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?

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?

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.

Did you know that ocean water is salty, but river water is not? Find out how fresh and salt water mix together in this water cycle worksheet.

A fun challenge for kids, this Earth Day crossword puzzle is a great way to review facts about the Earth and get a reminder on how to live green.

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.

Did you know fish could fly? Pisces, which is also a zodiac sign, is a constellation, named many years ago.

Aspiring astronomers, here is a wonderful introduction to the constellations! Your child can learn about Aries the ram with this worksheet.

Does your child have a knack for astronomy? Teach him about the constellations with this great worksheet.

If you know what each planet looks like, you'll have no trouble with this intergalactic crossword puzzle.

For all you aspiring astronauts, here is a worksheet for learning the constellations! Learn all about the constellation Gemini with this sheet.

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of plants.

Do you ever see shapes in the stars at night? In ancient times, people named these shapes, and now we know them today as constellations!

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

Our ecosystems need a protector; is your third grader up to the challenge? Identify harmful pollutants in a science worksheet that doubles as a coloring page.

Help third and fourth graders become rock stars with this informative geology worksheet!

Use this cool 2-page worksheet to make your own big dipper clock!

This Earth Day quiz family and friends with this true or false questionnaire. It's all in good, informative, fun!

Back in ancient times, before people knew what the stars were, they told stories about them! With this worksheet, learn about the constellation Cygnus.