Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

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

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.