This science project challenges students to study the salt content in tap water and learn about electrochemistry.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Encourage your child to jump into sea creature science by creating her own colorful "socktopus" sculpture.

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

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.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Fibonacci sequences have been observed throughout nature, like in leaves and flowers. In this project, students find examples of the Fibonacci sequence.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

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.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

This experiment investigates whether smell can be used to enhance test subjects' memories.

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

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

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

This project compares the national anthems of several different countries to determine if there is a correlation between tempo and a country's latitude.

This experiment provides a graphic illustration of the chemical reaction that occurs when you activate a hand warmer.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.