Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

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.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This easy at-home experiment is a great way to "see" science.

This project investigates the affect of storage temperature on microwave popcorn.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

In this project children practice the scientific method while playing with puffy paint.

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

Find out which kind of bubble wrap fares best when put in impact.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

Discover which fabrics shrink the most in the wash and why.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.