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In this science fair project, young children notice and track changes in trees throughout the year.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This science fair project idea experiments with spinning color wheels and optical illusions.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

This science experiment has students test whether a snail moves faster on concrete or dirt.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

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

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

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

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

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.