Find a definition of what "natural resources" are, and complete the natural resources word search. It's a good vocabulary warm-up!

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

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

Dig in to the layers of the earth with this science coloring page!

Learn the many features of planet earth in this easy earth science vocabulary chart.

Create and observe your very own rainbow using light and water with this science experiment worksheet!

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

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.

Outer space enthusiasts, here is the perfect project for you! Make a solar system mobile with this 8-part printable.

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

Can your little geologist identify the three main types of rock? Test his earth science savvy with a matching activity.

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!

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

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.

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.

Here's a fun way for kids to review their knowledge of earth science terms. Challenge your child to give a definition of each word as he finds it.

Looking for a fourth grade worksheet to help your kid with science? This printable will test his knowledge of the water cycle.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

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?

Looking for a way to teach your kids all about the planets? This worksheet is the way to go. It features Venus, the second planet from the sun.