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.

Examine the effect of pressure on carbonation in soda.

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

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

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

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.

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

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

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

This science fair project idea investigates how color affects temperature.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

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

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.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

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

This science project allows students to study the psychology of happiness.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.