Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this project students experiment with making music using only glasses of water.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this project children practice the scientific method while playing with puffy paint.

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

This science fair project idea investigates the difference in reaction times between boys and girls.

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

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Do you think heat can affect a plant's growth rate?

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

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Make a backbone model to explore human anatomy and life science.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

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

This science fair project idea investigates if fats add to the flavor of food.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This science fair project teaches students about wilting and browning of salad greens.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

This project investigates the affect of storage temperature on microwave popcorn.

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

This science fair project examines how seeds hitchhike on animals and clothing.

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