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

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Science fair project that determines whether mass and weight are the same or different.

Be active while learning about American history with this twist on the classic running game "Capture the Flag."

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

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

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

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Check out this cool science fair project on identifying rocks and minerals for kids.

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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

How well can people recall what they have observed. Test your knowledge in this fun experiment.