Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

A mixture of botany, exploration, Abstract Art and Pop Art color theoryâthis activity never gets dull! Start by exploring outdoors and finish with indoor art.

Create a bee garden to help shelter bees in your area.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

This science fair project idea explores whether certain physical and mental traits run in the family.

In this experiment a spectrometer is used to analyze the light emitted by burning ion solutions.

Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.

This activity is a fun way for your first grader to learn about how veggies help your body while being creative with art and drama. Here's how to get started.

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

Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

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

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

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.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

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

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.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.