In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

This science fair project idea researches the effects of acid rain on plant growth.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

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

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

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

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

This science project idea examines the effect of microwaving on various objects.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

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.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.