Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

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

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This science fair project idea explores substances that cause a bubble to last longer.

This science fair project idea investigates how color affects temperature.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science fair project idea explores the different properties & interactions of sugar molecules.

This science fair project idea compares biodiversity between drops of water.

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

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project idea determines the probability of a coin landing heads or tails.

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

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

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

This science fair project explores how osmotic pressure forces water through the root up into the plant.

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

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Science fair project that determines whether mass and weight are the same or different.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.