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

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

This science research project challenges students to think of more effective lobster farming methods.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

Introduce your child to science with something they see everyday--their shadow!

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

Construct batteries that make electricity from fruits with this fun science fair project.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This basketball project explores the best way to make the perfect shot every time.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?