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

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?

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

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

This science fair project idea experiments with spinning color wheels and optical illusions.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

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

This classic children's game demonstrates how sound travels through air vs. through a solid.

This science fair project idea provides evidence that air is everywhere and takes up space.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

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

This experiment investigates the relationship between the temperature of a candle and its burn rate.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.