Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Find out whether a longer airplane will fly farther or a wider paper airplane.

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.

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

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

Teenagers across the country are getting involved in the issues they care about, and your child shouldn't be the exception to the rule.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Remember the classic card game, Go Fish? Here's a fun twist on it that will help your kid learn her the different parts of speech in a fun way!

Want to help your teen ace the SAT? Here's a step-by-step guide to getting underway.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

This science fair project idea examines whether music has an effect on a person's ability to complete a simple task that requires concentration.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.