Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This science fair project idea uses the process of chemical weathering to change a mineral.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

This science fair project idea explores which fruit molds the fastest.

Determine if gender affects the ability to identify different smells.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Research currently available fuel sources, and fuel manufacturing and processing techniques. Propose an alternative fuel source.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.

Find out whether people within a family tend to have matching fingerprints.

In this science fair project, students use the streak test to tell minerals apart from each other.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea investigates the hardness property of minerals.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.

Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

Learn about the growing app design field by designing a new or improved app for smartphones.

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

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

Science fair project that explains and demonstrates the parallax principle.

This science fair project idea studies past and current fads and trends.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.