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Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

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

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

This experiment evaluates if people of a specific gender or age more likely have an elevated number of taste buds, allowing them to taste what others cannot.

This project will explore whether music influences physical endurance.

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

This science fair project idea explores whether color affects a person's emotional state.

Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Science fair project that evaluates how well clothing fabrics block UV radiation by examining the properties of different fabrics.