This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

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

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project teaches students the differences between fruits and vegetables.

This project examines what types of objects burn and which burn faster and cleaner.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Find out whether putting something on top of a plant will inhibit its growth.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

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

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This science research project challenges students to think of more effective lobster farming methods.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project allows students to study the psychology of happiness.

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

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.