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Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Here's an arts and crafts guide for your high-school teenager that'll help her create a naturalist drawing and painting.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Use a dichotomous key to identify plants or animals.

Make sourdough bread...and learn some colonial history and modern science in the process!

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

This science fair project idea measures physical dexterity as a function of temperature.

The objective of this science project is to investigate patterns in fingerprints among family members.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.