This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

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

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

Demonstrate if cooking destroys all bacteria that is present in raw meats such as salmonella.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project idea determines how quickly germs and bacteria spread.

This science project examines the thermal properties of several major greenhouse gases.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Science fair project that builds a magnetometer and demonstrate its uses.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This science fair project idea designs safe bicycle routes using GPS.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

This science fair project idea explores how length affects the weight a bridge can hold.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project investigates which type of light bulbs are the best at producing flattering photographs in both flash and non-flash conditions.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.