This science fair project idea explores the different properties of matter.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Help young learners discover why catÃs eyes glow in the dark with this simple experiment

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

Science fair project in which you will start a fire from scratch without using matches or a lighter.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Help your young learner discover why the insects that a spider eats stick to its web but the spider doesn't.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Design and build a balloon rocket from an existing design. Think of the ways in which existing designs can be improved, new practical applications

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Looking for a way to help your teen explore the fun side of physics? How about a round of Saturday morning cartoons?

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

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.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This science fair project examines whether ocean water can be made safe to drink.

This science fair project idea determines what household items are good conductors of electricity.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

Research Earthship buildings. Draft a unique architectural design that repurposes used, discarded radial tires. Build scale model of structure.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!