This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

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.

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

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.

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

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

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

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Help your child learn about animal classification with this fun and delicious activity.

Multiple-choice test questions can be confusing. Here's a toolbox of tricks and strategies to help your teen become a multiple-choice master.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

This science fair project idea examines the reason boats are shaped and engineered.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Discover whether people can distinguish what a person looks like just by listening to their voice.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Science fair project that builds a magnetometer and demonstrate its uses.

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Here's an arts and crafts guide for your high-school teenager that'll help her create a naturalist drawing and painting.

This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.