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.

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

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

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.

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.

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

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.

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 measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

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.

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.

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

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

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.

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

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

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

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

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

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

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

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

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

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