Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

This project explores ways to prevent static electrical shocks.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

In this science fair project you will make a model of a cell membrane using very simple material.

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.

Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This experiment investigates if stress alters body temperature.

Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

This experiment evaluates whether a person's eye color affects their ability to identify colors in low light.

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

This science fair project idea examines whether people can decode scrambled messages.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

In this experiment, you experiment with laser jet toner, a magnetic fluid, as it moves, bubbles, and forms unique shapes.