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Find out whether matte or shiny nail polish lasts longer.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Start your toy engines -- this is going to be a fast and friction-filled race!

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

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

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

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

Find out if most people can distinguish the difference between tones on different instruments.