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.

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.

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.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

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!

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.

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.

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.

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

Test whether spot magnets can help improve the symptoms of an injury.

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Science fair project that examines how cell membranes allow the inward and outward flow of materials as demonstrated by eggs.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.