In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

In this project, the affect of acid rain is simulated by the acid, vinegar.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

The project determines which type of birds prefer which type of birdseed.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

The objective of this experiment is to evaluate the effects of acid rain on plants.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

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.

This science fair project idea determines whether the hand a person writes with relates to which side they will choose from in a fake taste test.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.