This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This project investigates an interesting question: If one learns to write backwards, is one also able to read backwards?

This science fair project determines how age affects the speed that someone can change the focus of their eyes between near and far sightedness.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

This science fair project idea investigates whether air has mass and weight.

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

Find out whether matching resonant frequencies can cause objects to shatter.

This science fair project investigates why the number of visible stars changes from place to place.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science fair project discovers the properties and uses of sand and develops new or improved methods, techniques, or products involving sand.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

This science fair project idea determines which colors are more difficult to read at a distance.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.