Here's a guide to starting a community clean-up project from scratch.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Create a bee garden to help shelter bees in your area.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Science fair project that examines condensation and the conditions needed in order for dew to form.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project idea investigates food preference of birds.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Plant a mini herb garden and teach your child about science and nature.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Did you know magnifying glasses are magic? This hands-on activity has kids using magnifying glasses to engage with the world around them and look close to examine what they find.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Plants and light seem to be good buddies, but how far does the friendship really go?

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.