This project examines whether humans can intuitively grasp numeric values greater than three.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

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

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

This science fair project idea investigates how images are influenced by changes in light.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

This slightly messy, but tons-of-fun tactile activity will cement the idea of the land and water as pictured on maps in your young learner's mind.

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

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

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.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

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.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

This experiment will investigate whether reward or punishment is more apt to motivate people.

Science fair project that determines whether mass and weight are the same or different.

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.

Evaluate gender differences in processing visual information.

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.

This science fair project idea compares the mass and density of objects.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

This experiment examines if space objects become round after reaching a certain mass.