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Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

In this project children practice the scientific method while playing with puffy paint.

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

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

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

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

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

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

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

This science fair project idea explores if people with cool skin tones prefer cool colors and people with warm skin tones prefer warm colors.

Determine which material produces the strongest static charge.

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

The objective of this experiment is to evaluate which types of people are most impacted by the McCollough effect.

This science fair project idea explores the fastest average speed a human can talk.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

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.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

In this science fair project, students test how objects float and sink in liquids of different densities.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

People have favorite flavors, but what about ants? Which ant food is the most popular?

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.