Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

Expand your child's geographic awareness with these fun and easy map lessons.

Help your third grader learn time zones with this fun map activity!

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Help your kindergartener use a map to find "leprechaun gold"--and build early social studies skills in the process!

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

It's always good to have a little help during the holiday. Show your child how to set a table setting and then help him create a placemat map.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

Treasure hunts are tons of fun and they're a great way to introduce maps. Set the stage, and your kid's imagination will do the rest.

This slightly messy, but tons-of-fun tactile activity will cement the idea of the land and water as pictured on maps in your young learner's mind.

Help middle schoolers use maps, math, and history for some Fourth of July fun.

Create a special Father’s Day surprise by planning and mapping a hike around the neighborhood!

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

Choose a destination and "race" your way there! This activity is a great for charting progress and motivation.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

This science fair project idea investigates how the shape of an object affects drag.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This project explores whether similar type movie scenes are accompanied by music with similar characteristics.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

Take a dive into the candy jar with this yummy science experiment.

Find out if most people can distinguish the difference between tones on different instruments.

In this science fair project, students investigate how different colors influence appetite.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.