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.