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Find out whether matte or shiny nail polish lasts longer.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

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

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

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

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

Free science fair project idea examining how different types of water affect plant germination and growth.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Science fair project that compares tap water and bottled water for the presence of common impurities.

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

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

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

This science fair project idea determines the most effective method of preserving food.

This science fair project idea produces varying pitches of sound.