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

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.

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.

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.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

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

This project concerns activity happening millions of miles away, on the sun.

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

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

Discover whether the color of text correlates with ease and speed of reading.