Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science fair project idea determines the most effective method of preserving food.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

This science fair project idea determines if the color of light affects the growth of plants.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Learn whether writing things down really makes things easier to remember.

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!

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!