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Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Test the combustion of different types of woods.

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

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

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

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

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

Explore the belief in astrology as a predictive system.

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

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

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

This science fair project idea determines if the temperature of rubber effects how high it bounces.