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Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Do different types of oil mix or stack? Find out in this science fair project idea!

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea investigates the difference in reaction times between boys and girls.

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

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

This science project teaches students to classify different shapes of leaves.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

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.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

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

This science fair project idea explores whether white light can be separated into different colors.

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

This science fair project idea explores the different properties & interactions of sugar molecules.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.