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.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

This science fair project idea explores the egg's thin membrane.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

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

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

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.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

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

This experiment will examine and precisely measure the amount of sugar in various sodas.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

People have favorite flavors, but what about ants? Which ant food is the most popular?

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

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.

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 compares the abilities of men and women to understand subtle communication through body language.

This science fair project idea determines which flower lasts the longest.

Explore the neural and mental mechanisms at play in mental imagery.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

This science fair project idea explores how far the average human can see.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

In this experiment a spectrometer is used to analyze the light emitted by burning ion solutions.

The aim of this science fair project is to study the mathematical construct called magic squares and create a unique magic square puzzle.

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

This science fair project idea determines which method of hand cleansing is the most effective.

This experiment evaluates if people of a specific gender or age more likely have an elevated number of taste buds, allowing them to taste what others cannot.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.