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Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

This science fair project idea explores how far the average human can see.

Does "short circuit" mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.

Multiple-choice test questions can be confusing. Here's a toolbox of tricks and strategies to help your teen become a multiple-choice master.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

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

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

This science fair experiment examines the relationship between gender, age, and smiling.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

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

Learn the anatomical and physiological differences between central and peripheral visual systems.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

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 project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.