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.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

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

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

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.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

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.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

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

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

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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.