In this project, a basketball containing different psi is dropped to see how well it bounces.

In this science fair project, students make their own rain gauge to measure rainfall.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

This science fair project idea investigates if fats add to the flavor of food.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project idea produces varying pitches of sound.

This science fair project idea investigates the difference in reaction times between boys and girls.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

The project determines which laundry detergent is best for cleaning clothes.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

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

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!