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Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

This experiment will explore the best way to create a perfect soft-boiled egg.

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

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

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

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

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project determines the quality of a given product.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This project examines whether humans can intuitively grasp numeric values greater than three.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

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

Examine whether males or females are more likely to have a higher center of gravity.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This science fair project idea investigates whether plants can survive being frozen.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.