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8th Grade Science Fair Projects

General Projects

EX003 A Chemical Change
EX005 A Crystal Radio Set
EX006 Heat can Produce Electricity
EX008 Fire Must Have Air to Burn
EX009 A Door Chime
EX010 How Electricity is Made
EX013 Electric Eye
EX015 Electromagnetism
EX016 A Projector (Make a slide projector)
EX017 Fluorescent Lights
EX018 Measuring the Ocean Depths
EX023 How to Develop a Picture
EX024 Molding
EX025 How Traffic Signals Work
EX026 Most Liquid contain either Acid or Alkali
EX030 Mercury
EX032 Minerals: Origin, Distribution
EX034 A Water Pump in action
EX039 Phases of the Moon
EX042 Cross Section of a volcano
EX043 Salt and its Uses
EX046 Cross Section of the Earth
EX053 Fingerprinting
EX054 Expansion and Contracting Of Liquids
EX057 Which Metals Conduct Heat best?
EX065 Water Supports Heavy Weights
EX067 An Electromagnetic Crane
EX068 Space Problems in Gravity
EX070 Steam Propulsion
EX073 Parts of a Windmill
EX078 Water is Compound of Hydrogen & Oxygen
EX081 Working Principles of a Gasoline Engine
EX089 Machines Made Work Easier
EX093 Causes of the Seasons
EX094 Bulbs in Series and Parallel
EX097 Chlorophyll
EX104 Water Cycle
EX106 How Hard are Various Types of Rocks and Minerals?
EX109 Erosion - What causes erosion? - How can soil erosion be prevented?
EX110 Air Pollution - causes and cleanup
EX114 Water Filtration
EX115 The City of the Future
EX120 EarthQuakes and Associated measuring devices
EX121 Collect and Identify minerals and rocks exposed in local area.
EX122 Foods
EX123 Volcano
EX124 Can Electricity Create Heat?
PX001 Make a Volcano Model
PX010 Food Values
PX012 Make A Compass
PX015 Make Salt Crystals
PX017 Make Sugar Crystals
PX018 How Plants Reproduce
PX022 The Solar System
PX024 Parts of the eye (Make a Model of the Human Eye)
PX025 Parts of a Hen's Egg
PX035 A Secret Letter with Invisible Ink
PX053 Carbon Dioxide and Man
PX061 How Do You Test If The Egg Is Cooked?
PX065 Do Detergent Work Best In Cold or Hot Water?
PX066 What causes the milk to spoil?
PX067 Make Yogurt
PX086 What is the effect of sugar or salt in the evaporation of water?
PX089 Identify counterfeit bills

Physics Projects

EP002 How metals compare in density
EP003 Egg Floatation (buoyancy)
EP005 How does the amount of oxygen affect the rate of burning?
EP010 How do magnets work? How are they made?
IP001 Fire and Burning- what factors affect burning?
IP002 Fuels and their efficiency in producing energy.
IP003 Musical instruments- the scientific principles behind them
IP004 Music Versus Noise- difference
IP005 Pendulums- how can a period of a pendulum be increased?
IP006 Air Pressure- Water Pressure
IP007 How do you establish elevation from sea level
IP008 Gears- compare efficiencies, effect of different lubricants
IP009 Solar Furnace
IP010 Lenses- effects of curvature, materials on light beams
IP011 Can eggs withstand a greater force from one direction than from others?
IP012 How strong are nylon fishing lines?
IP013 How strong are plastic wraps?
IP014 Which homemade airplane design flies best?
IP015 What factors affect the bounce of a dropped ball?
IP016 How do compression and tension make things strong?
IP017 How strong is a toothpick?
IP018 Which type of lawn sprinkler works best?
IP019 Which type\size of light bulb produces the most light?
IP020 How can the strength of light be measured?- the effect on degradable materials
IP021 Which materials can be charged with static electricity?
IP022 Which battery lasts the longest?- How can power be increased?
IP023 What affects light reflection?- refraction and diffraction of light?
IP024 Spectrum and color production- prisms 27.
IP025 How is sound produced? What affects the pitch of sound?- What affects the volume of sound? - How would you measure the velocity of sound?
IP026 Electric Motors- principles and factors effecting their efficiency
IP027 Electric Circuits- factors affecting voltage,amperage, resistance
IP028 Magnets and electromagnets- What affects the strength of an electromagnet?
IP029 Buzzers and bells and alarms.
IP030 Magnet Levitation- Experiment gravity defying effects of magnetism and build a Magnetic Levitating Train
IP031 Radios
IP032 Internal Combustion engines
IP034 Insulation-best materials, thickness
IP035 How is paint affected by temperature changes?- Elasticity of rubber; effect of glue.
IP036 Use of solar energy- design and construct solar cookers, solar panels, etc.
IP037 Designing a strong bridge
IP039 Determine the accuracy of various thermometers
IP040 How much heat is required to raise the temperature of various substances by an equal amount?
IP042 Comparing active & passive solar energy systems in cost and efficiency.
IP043 Designing an energy efficient home
IP044 Can water be magnetized?
IP046 What is light?
IP050 Air Pressure; Can air pressure be used to push, break or bend objects?
IP051 Water Pressure
IP100 Compare copper wires to optical fibers for transmitting sound, image or data.
IP110 How is paint affected by temperature changes?
IP111 How does temperature affect the elasticity of rubber?
IP112 How does temperature affect the strength or adherence of glue?

Chemistry Projects

EC001 Chemical Change and the factors that affect the rate such as heat. light and catalysts
EC002 Acid and basic solutions,
EC004 The effects of salts on the freezing point of water.
EC005 Fire must have air to burn.
IC003 Chemical reactions that produce energy or that require energy
IC004 Testing of consumer products- glues, stain removers, antiseptics, mouthwash, detergents, paper towels
IC005 Effects of sunlight on rubber, ink, paper
IC007 Compare the PH levels in mouths of various animals and humans at different times in the day
IC008 Compare the surface tension of various liquids
IC009 Dealing with chemical spills from industry
IC012 Effects of salt and other contaminants on rate of rusting
IC013 Growing crystals- factors that affect the rate and the size
IC014 Can you obtain water from ink, vinegar, milk?
IC016 Analyze soil samples for their components, ability to hold moisture, fertility and PH
IC017 Does the amount of particle pollution vary with distance from a road, with location, with height. Determine types of particles found in pollution fallout
IC018 Catalysts- how they work and why; commercial applicants and problems
IC019 Fire extinguishers-principles of operation and factors affecting their efficient use
IC020 How do acids react with different metals under varying conditions
IC021 Identify different metals by the color of flame when they burn
IC022 Compare metals based on their reactivity
IC023 Electroplating- the principles, how different metals can be used and the practical applications
IC024 How to make PH indicator using cabbage?
IC025 How Yogurt is made? Is it a chemical or biochemical reaction?
IC026 Effects of temperature on viscosity of oil
IC029 Making salt water potable, removal of pollutants
IC030 Fruit Battery. Can you Make Electricity from Fruits and Chemicals

Biology Projects

IB002 Photosynthesis - factors affecting the rate of photosynthesis temperature, light intensity, water, carbon dioxide - part of light spectrum used in photosynthesis
IB004 Family studies on inheritance
IB005 Genetic Studies - Connection between hair and eye color
IB011 Determine the effects of various nutrients on plant growth
IB012 Plant growth - How does the amounts of water affect plant growth?
IB013 Plant growth - How does the hours of sunlight affect plant growth?
IB014 Plant growth - How does the strength of weed killer affect the plant growth?
IB015 Plant growth - How does the temperature affect the plant growth?
IB016 Plant growth - How do pollutants affect the plant growth?
IB017 Plant growth - How does the PH level affect the plant growth?
IB018 Can plants live without carbon dioxide?
IB019 Can plants live without oxygen?
IB023 Roots - how do different types of soils affect the ability of roots to anchor plants -
IB025 What is the effect of acid rain on plant growth?
IB030 What conditions are favorable for: -fungus growth- E.G. yeast, mold, mildew diseases
IB031 What conditions are favorable for mushroom production?
IB033 What conditions are favorable for algae growth?
IB034 What conditions are favorable for bacteria growth or control?
IB046 Field Studies - types of bacteria found around the home
IB047 Field Studies - types of bacteria found on the body
IB100 Circulatory System - Factors Affecting Blood Pressure
IB101 Circulatory System - Factors Affecting Heart Rate
IB102 Circulatory System - Factors Affecting the rate of breathing
IB103 Circulatory System - Is there any relation between the blood pressure and the rate of heartbeat.
IB201 Make a Model of Plant or Animal cell.

Other Projects

EE001 Understanding Electrical Conductors and Insulators
EE002 Demonstration of principals; how is current affected by type of conductor, temperature, filament, etc.
EE003 Compare material and objects for conductivity.
EE005 Principles of fluorescent lights; how do they compare with filament bulbs, in effectiveness and cost.
IM001 Snow- what happens when it melts; what does it contain; structure of snow flakes; life in a snowbank
IM002 Sky Color- account for differences in color at different times
IM003 Wind and Clouds- what are the common wind patterns in your area and why? Is cloud formation related to height, weather systems and temperature? Study and record how clouds relate to weather patterns.
IM006 Wind-does wind travel at same speeds and in same directions at different heights?
IM008 Evaporation- Effect of temperature, wind, or humidity on the rate of evaporation?
IM009 Rain- can you measure the speed and force of raindrops?-What is the effect on soil, with and without ground cover? Could you simulate the effect of rain?
IM010 Heat Retention- does fresh water hold heat longer than salt water? How does water compare to land and what effect does this have on the weather? What factors affect the cooling of land?
IM011 Sunlight- how do different surfaces affect the amount of sunlight reflected and absorbed? Design a method of measuring how much sunshine is available each day.
IM014 Weather records- Design and build an automatic recording weather device. Test it over a period of time.
IM015 Effects of Humidity- what happens to hair during periods of changing humidity? How does human hair compare to that of other animals? How do other materials compare in expansion and contraction.

Note: Most projects are for more than one grade and selection depends on your previous knowledge about the subject. Do not select projects that you are not familiar with.