In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

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

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

Demonstrate how tracks are formed by pressing your hand into a cornmeal mixture, then reverse the process and make prints of the track.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

Find out which type of sponge holds the most water.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Find out whether people within a family tend to have matching fingerprints.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.