This science fair project idea examines whether boys and girls differ in reflexes.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

The objective of this science project is to determine the length of time for different seeds to germinate.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Learn whether writing things down really makes things easier to remember.

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

This science fair project examines how seeds hitchhike on animals and clothing.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

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

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.

Construct batteries that make electricity from fruits with this fun science fair project.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This science fair project idea investigates if fats add to the flavor of food.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.