Science Fair Project Ideas

Choose from many individual science fair project ideas below the blue drop-down menu. You can also use the drop-down menu to browse projects by grade and/or specific subject area. To get you started, we have included a sampling of some of our most popular science fair project articles with numerous topics and ideas per article immediately below.

Science Fair Advice & Help

Get tips and advice on all steps of completing your project from getting started to making your presentation at the fair.

Science Fair Survival Guide

Tackling the science fair project can be a daunting challenge. Fear not! We have tips and information to get you started.

10 Projects that Explore Electricity

Looking for a "shocking" science fair project? We've got 10 projects involving circuits, voltage, and electricity.

Soil Ecology

Soil Ecology

The ground is crawling with life! In this experiment you will compare the ecology of different soil sample and identify invertebrates you find in order to determine which soil has greatest biological activity.

What Materials Affect the Length of Sound?

What Materials Affect the Length of Sound?

This high school physics experiment will explore how mallets of various materials and weight create sonic tones of varying lengths. This experiment will measure how material and weight changes the sound decay of a note.

Phenomenon of Precipitation and Earth's Water Cycle

Phenomenon of Precipitation and Earth's Water Cycle

This fun science fair project idea is to help students understand how water cycle works and show them various ways to model the Earth's water cycle.

Ringer: What is a Third-Class Lever, and What is the Advantage of Using One?

Ringer: What is a Third-Class Lever, and What is the Advantage of Using One?

In this experiment, you build and use third-class levers in an attempt to grab a glass soda bottle from the floor.

How a Toy Stores and Transfers Mechanical Energy?

How a Toy Stores and Transfers Mechanical Energy?

This simple, free and fun science fair project idea for middle school students helps study the motion of toys and explains how toys store and transfer energy.

Percussion Pitch and Drum Size

Percussion Pitch and Drum Size

Boom, Whack, Pow. Percussion instruments can make all kinds of sounds; learn about one of the ways the pitch of a drum instrument is affected in this cool experiment!

Which Food or Beverage Provides the Most Immediate and Lasting Source of Glucose to a Hypoglycemic Person

Which Food or Beverage Provides the Most Immediate and Lasting Source of Glucose to a Hypoglycemic Person

The objective of this science fair project idea is to determine which beverage or snack is the most ideal food source for a hypoglycemic person to consume as an immediate source of glucose that will also last the longest.

Effect of Temperature on Sugar Production

Effect of Temperature on Sugar Production

This science fair project examines how temperature affects sugar transport within a plant.

Study the Ability of Plants to Reproduce Asexually by Vegetative Propagation

Study the Ability of Plants to Reproduce Asexually by Vegetative Propagation

In this middle school science project learn about asexual reproduction in plants and design the study to determine the ability of plants to propagate from roots, stems, and leaves.

The Art of Dyeing and Colorfastness of Dyed Fabric

The Art of Dyeing and Colorfastness of Dyed Fabric

Learn different methods of preparing dyed materials and determine the colorfastness of dyed fabric in this fun middle school science fair project.

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