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

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

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

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This science fair project idea quantifies growth of seedlings at various pH levels.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Quench your thirst with great tasting lemonade while you explore the concepts of acid and base, and how these differ from sweet and sour.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

The goal of this project is to create an exciting topographical map out of dough.

This science fair project idea determines if pancreatic lipase can break down lipids on its own or does it require the assistance of digestive bile salt.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

This science fair experiment examines the relationship between gender, age, and smiling.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

This project involves the programming and development of a 3D Rubik's Cube application using C++.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.