In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This project involves the development of a website using free software online to promote the value of science.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

Investigate which substances are most effective at removing salt from water.

This project investigates an interesting question: If one learns to write backwards, is one also able to read backwards?

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

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 determines what factors influence an individual's reaction time using a web-based timed reaction test.

The objective of this experiment is to conduct a ganzfeld experiment and determine if extrasensory perception (ESP) can be observed.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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 project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This science fair project idea teaches what wildlife rehabilitators do and about the process of wildlife rehabilitation.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!

This project uses toy cars to determine how friction and gravity affect cars and braking.

This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

In this project, waves of vibrations are experimented with using water in glasses.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

The objective of this science fair project is to explore whether superabsorbent polymer or hyrdrogel crystals have the best waterabsorbency.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

This science fair project idea researches the effects of acid rain on plant growth.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.