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

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

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

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This project involves the programming and development of a 3D Rubik's Cube application using C++.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

This biodiversity project examines the biodiversity in your own backyard.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

This craft is an excellent way to learn about African-American history, and it also provides fine motor practice.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

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