Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

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 causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

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.

This project examines the concentration of dissolved oxygen in water, with and without oil.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.