Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this 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.

This project explores differences in people's reactions to images in color and images in black and white.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This project examines whether sugar substitutes are as sweet as real sugar.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

Explore the relationship between personality traits and birth order effects.

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

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This experiment will explore how manipulating a graph of historical information might reveal new information about data.

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.