What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This science fair project idea raises awareness of a real ecological issue.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

This project is a great way to explore variations in how to paint using watercolor.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

Get kids excited about gathering their school supplies by teaching them how to make their own writing supplies!

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

Party noise makers help you ring in the New Year loud and proud. These party noise makers are eco-friendly and festive for your holiday celebration.

Being a kid is hard work. Soothe stresses and calm fears with this DIY Zen garden -- all you need is sand, stones and a shoebox.

Cornucopia still life painting is a great activity for your young artist to look at light and shadow, textures and composition in creating art at Thanksgiving!

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

This science fair project idea determines if the color of light affects the growth of plants.

Help your child keep track of his pledges to be more environmentally friendly with a calendar made entirely out of recycled and reused materials!

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

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!

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

Geometric shapes can often be tough to remember. But, with a little bit of art, imagination, and writing, practicing geometry has never been so much fun!

These hanging carrots will help the Easter bunny find your house and celebrate a brightly colored food that is a healthy treat for bunnies and kids alike.

Capture your beach memories—not with a photograph, but with a beach mosaic made from that classic beach souvenir, the shell.

Thank Mr. Jackson Pollock for an afternoon of messy art and educational entertainment.

Call in your crafty kids to help make this homemade air freshener, perfect for stowing in the backseat to keep your ride smelling fresh and clean.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Your preschooler is familiar with the colors in their crayon box, but can they find these colors in the world? Take them on a scavenger hunt to find out!

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Turn the marks on the wall into art! Create fingerpaint flamingos, herons and ostriches with this fun craft for kids.