This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

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

The project researches how lubricants affect the mechanical advantage of a pulley.

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

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Construct and experiment with a periscope using reflected light rays to gather an image.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

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.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

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

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

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

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.