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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

This science fair project idea produces varying pitches of sound.

This project examines whether and what associations exist between numbers and letters and colors.

This science fair project idea produces consumable fresh water from salt water through desalination.

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

This science fair project demonstrates the "power of conformity".

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea identifies and understands adaptations in birds.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.