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

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

In this project, waves of vibrations are experimented with using water in glasses.

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Think about the adaptive utility of an important aspect of our physiology.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

This science fair project determines how age affects the speed that someone can change the focus of their eyes between near and far sightedness.

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

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

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

Explore the relationship between personality traits and birth order effects.