Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

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

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

This science fair project determines the quality of a given product.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

Experiment with fermenting various fruits, grains or syrups. Describe and illustrate the fermentation process in a detailed report.

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

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

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

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.