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.

Find out whether putting something on top of a plant will inhibit its growth.

This science fair project idea determines what household items are good conductors of electricity.

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.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

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

This science fair project idea examines liquids of different densities.

This science fair project idea investigates how color affects temperature.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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

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 examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.