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.

Paper Making: The Next Level

Paper Making: The Next Level

The objective of this science fair project idea is to develop new or improved paper making techniques and to encourage recycling.

Energy for Life

Energy for Life

Grade Levels: K-3 Question: Must plants have energy from the sun to live? Possible Hypotheses: Plants must have the sun’s energy to live. Plants don’t have to ...

Stars In The Sky

Stars In The Sky

The objective of this science fair project idea is to investigate why the number of visible stars changes from place to place.

Is Horizontal Motion of a Projectile Independent From its Vertical Motion?

Is Horizontal Motion of a Projectile Independent From its Vertical Motion?

Looking for a fun project idea on projectiles! Check out this cool science fair project idea to discover that the the horizontal motion of a projectile is completely independent of its vertical motion.

Plants Help Keep a House Cool!

Plants Help Keep a House Cool!

Using shade trees to keep a house cool! What do you need? Two shoe boxes or small cardboard boxes ... A reflector lamp with a one-hundred watt incandescent light bulb in it (you can also use the sun instead of a lamp)

Shamwow vs. Papertowels vs. Terry Towels

Shamwow vs. Papertowels vs. Terry Towels

The objective of this science fair project idea is to find out which absorbent material is the best.

Evaluating Gender Differences in Sound Perception

Evaluating Gender Differences in Sound Perception

Do men and women experience varying physiological reactions to noises? This experiment evaluates this question by comparing reactions to different types of sounds.

Bumpy: How do Bacteria Help Some Plants Live?

Bumpy: How do Bacteria Help Some Plants Live?

Some organisms depend on each other for their very survival. Find out more about this process of nature in this experiment!

Which Fruit Juice Contains the Greatest Amount of Vitamin C?

Which Fruit Juice Contains the Greatest Amount of Vitamin C?

The objective of this science fair project idea is to determine which of the fruit juice tested contains the greatest amounts of vitamin C (ascorbic acid).

The Effect of Caffeine on Plant Growth

The Effect of Caffeine on Plant Growth

2011 VIRTUAL SCIENCE FAIR ENTRY: The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

Tips for Parents and Students