Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

The purpose of this science fair project is to build a basic radio.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

This science fair project idea determines the probability of a coin landing heads or tails.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

In this science fair project, students make their own rain gauge to measure rainfall.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

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

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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