Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

Looking for something to do on a slow afternoon? Try cornhole, a simple and fun tossing game. Make your own set with a few things from the recycling bin.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Travel back to the Jurassic age with this creative dinosaur activity that would make a great addition to any wall or fridge.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Re-purpose an old glass bottle into a cute vase using a few pieces of felt and a little imagination.

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Find out which type of sponge holds the most water.

Sultan Ahmed Mosque is often referred to as the Blue Mosque. In this activity, your kid will build his own Blue Mosque just in time for Ramadan!

Is your kindergartener getting tired of the standard art supplies? How about making a mosaic? This recipe is kinder safe, no broken glass involved!

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Show your fourth grader how to embrace a green lifestyle and enjoy the outdoors with a homemade, recycled picnic basket.

Looking for a fun way to display photos? Give recycled objects a second life by turning them into a creative photo holder.

Teach your child how to accessorize the environmental way!

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Learn about nature by making your own mini moss garden.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

Follow these easy instructions to make a working sundial with your kid! Find out what other cool things the Aztecs created in this activity.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.