Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Construct and experiment with a periscope using reflected light rays to gather an image.

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.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

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

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

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.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

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

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.

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

Learn about this simple machine and make a pulley of your own to use for fun science trials.

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

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

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

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

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

Challenge your learner to design and build a city of their own in this creative engineering activity.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

This experiment will examine and precisely measure the amount of sugar in various sodas.