Over 100 Poster Topics!

Are you stumped for a poster project idea? Are you having trouble deciding on a science fair project topic? Take a look at the list below for over 100 poster topics and science fair ideas!

You can even view some sample posters at the Online Poster Gallery.

Once you pick your project topic visit Science Fair Project Tips for help with every step of the science fair process.

Biochemistry, Medicine, Health & Microbiology Poster Topic Ideas:
Effects of artificial sweeteners on the body
Bacteriology and how it affects our daily lives
The role of diet and exercise on human blood pressure
Body temperature variations by gender, age and race
Fingerprint patterns and their use in identification
Fungi- the incredible, edible, medicinal plant
Genetic combinations- Punnett Squares
Obesity rate comparisons over decades
Protein metabolism in the human body- its role and importance
The discovery of vitamins and their role in human nutrition
Epidemiology- the fascinating study of disease
Forensic pathology- its uses in modern disease prevention

Earth and Space Science Poster Topic Ideas:
Earthquake rate changes compared to population growth
The role of greenhouse gases in global warming
Water temperature changes in oceans and lakes
The study of lava
How Carbon-14 dating works
How sedimentary rock is formed
Soil contamination rates by state
Pollution and its effect on the visibility of celestial bodies
Galileo and sunspots
Weather- hurricanes, floods, droughts and tsunamis
Alternative fuels- renewable energy, solar power, hybrid vehicles
Water pollution rates by industrial areas

Mathematics Poster Topic Ideas:
Stock Market- business math
Mathematical patterns in music
The daily uses of algorithms
The role of statistics in forecasting
Pythagorean Theorem- uses in architecture, safety
The wonder of Fibonacci's Number
The Algebra Project- equality in mathematics
Buffon's Needle- probability problem
Geometry- Euclid, uses in packaging, video game programming

Physical Science Poster Topic Ideas:
The art and science of navigation
How to establsih elevation from sea level
Storm tracking and tornado alleys
What materials can be charged with static electricity?
How is paint affected by temperature changes?
How to design a strong bridge
Aerodynamics- lift, drag, propeller size, friction
The role of fermentation in production of alcohol
The history of shells- evolution, geological history
Relationships between volume, shape and area
The Naked Egg- how to make one
Which popcorn brands pop the fastest? Why?

Engineering Poster Topic Ideas:
The most aerodynamic bike wheel
The best hull shapes for boats
Build a better mouse trap
Wind effects between tall buildings
Flight- angles, wing positions, modeling of bird patterns
Canals and locks as engineering feats in modern travel
Windmills- history, development, current and future uses
Living with solar energy
Which metals conduct heat best? Why?
Designing the safest automobiles
Engineering in entertainment: boomerangs, frisbees, the slinky
The growth and history of artificial intelligence
Challenges of robotic exploration
Computer modeling for medical advances
Computer silmulation of flights, accidents, emergencies
Biometrics in the use of human identification
Vocal wave patterns- individual differences
Bio-engineering for the future
Computer modeling: How do snow crystals grow?

Botany and Zoology Poster Topic Ideas:
Why do bees make honey?
What are some natural healing properties of herbs?
Are organic or chemical fertilizers more effective?
How does water temperature affect the color of fish?
How does controlled burning or other fire affect forest growth?
Insects- do blind and sighted fruit flies have the same sense of smell?
How is plant growth affected by temperature, rainfall, electricity, etc?
How are seeds affected by wind and fire? Do they germinate in space?
Why are so many people afraid of spiders? Do they hurt or help us?
How does photosynthesis change the air quality of a room?
Which plants and vegetables make the best dyes?
Animal Husbandry- The future of 4H clubs in a technological world

History Poster Topic Ideas:
Ancient history timeline
European country boundary changes in the last 50 years
The Middle Ages- coats of arms and flags
Discovering the New World- trails/maps of various explorers
U.S Civil War- slavery, expansion, battles, generals
World War I- music and poetry of the war, statistics and casualties
World War II- battle stategies & info, countries involved, timeline
Cold war- Cuban missile crisis, Soviet invasion of Afghanistan
Middle East conflicts- timeline from ancient to current religious history
Vietnam War- American participation, fallout for returning vets

Geography Poster Topic Ideas:
Asia- cultures, foods, people, industry
Africa- history, nature, struggles, scientific discoveries
North America- native people, Ellis Island, French Canada
South America- languages, rainforests, Inquisition
Australia- Maori, opera house, rainforests, animals
Europe-ancient history, languages, exports, religions
Antarctica- geography, wildlife, meteors, dinosaurs, south pole
Central America- wildlife, ancient peoples, culture
Prime Meridian- Greenwich, England, latitude/longitude, time zones

Social or Event Poster Topic Ideas:
Garage or yard sales
Car washes
Fundraisers
Bake sales
Religious events
Holidays
Announcements
Team support posters
Cookie/popcorn sales
Theatrical events
Welcome home
Baby or wedding showers
Homecoming and reunions