This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

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.

The project investigates how water and movement affects erosion.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

In this science project, baking powder and vinegar are used to simulate the action of a fire extinguisher.

The project investigates which soft drink is worse for your teeth by observing the affect of soft drink on limestone.

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This project tests the hypothesis that dark colors absorb more heat than light colors.

In this experiment, the weight of aluminum cans will be compared.

In this project, different brands of microwave popcorn are tested and compared.

This science fair project idea produces sounds by creating vibrations using different objects.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

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.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

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

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

The objective of this science fair project is to investigate salt water density.

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

In this science project, the center of gravity is explored.

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

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