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This science fair project idea produces sounds by creating vibrations using different objects.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this design challenge, your child will create a parachute for a small toy using typical household items.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea determines which method of hand cleansing is the most effective.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

In this science fair project, students create their own miniature salt flats at home.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project investigates why the number of visible stars changes from place to place.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea explores the different properties of matter.