Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

This project determines what category of person is most likely to be ticklish.

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Make a backbone model to explore human anatomy and life science.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This science fair project examines how seeds hitchhike on animals and clothing.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

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.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This science fair project idea compares biodiversity between drops of water.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.