This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

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

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

This science fair project idea compares whether ionic dryers leave hair in better condition than non-ionic dryers.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

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

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

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

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

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

Science fair project that examines the physical features of elephants and butterflies and draws conclusions about their similarities.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

Find out whether matching resonant frequencies can cause objects to shatter.

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.