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

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

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

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

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

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

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

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

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

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

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

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

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!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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

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

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

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.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.