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

This science fair project idea determines if family members can recognize one another using only the sense of smell.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Find out whether a longer airplane will fly farther or a wider paper airplane.

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

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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 discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

This science fair project idea determines if the color of light affects the growth of plants.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Demonstrate how to tell the age of an egg without having to crack it open.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Find out whether putting something on top of a plant will inhibit its growth.

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

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

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.