This science fair project idea examines whether boys and girls differ in reflexes.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

Will the shape of an ice cube impact how fast the ice melts?

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

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.

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

In this science fair project, students examine how temperature affects sugar transport within a plant.

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

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

This experiment will investigate whether reward or punishment is more apt to motivate people.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

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

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

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.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

Learn the anatomical and physiological differences between central and peripheral visual systems.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.