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.

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

This science fair project idea compares biodiversity between drops of water.

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

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

In this design challenge, your child will make a bottle rocket using typical household items.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

This science fair project idea investigates how color affects temperature.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

This project explores ways to prevent static electrical shocks.

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

This science fair project idea investigates the hardness property of minerals.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

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

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

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

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.