This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Help your child plant a "tea garden": a garden made of herbs for making teas.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

Help your kindergarten science maven explore the water cycle without getting everything wet.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

This science fair project idea explores whether color affects a person's emotional state.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

In this science fair project, students create their own miniature salt flats at home.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

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

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.