In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

This experiment will examine and precisely measure the amount of sugar in various sodas.

This science fair project idea provides evidence that air is everywhere and takes up space.

Science fair project that demonstrates how stalagmites and stalactites are formed.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

This science experiment tests if dog saliva can really help heal wounds.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

This project examines the concentration of dissolved oxygen in water, with and without oil.

Discover which fabrics shrink the most in the wash and why.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

This science fair project idea will be examining oxidation and acid rain

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea discovers the effect of (high) heat on animal cells.

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.