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4th Grade Science Fair Projects

General Projects

EX001 A Bell System
EX002 History of Shells
EX003 A Chemical Change
EX006 Heat can Produce Electricity
EX008 Fire Must Have Air to Burn
EX009 A Door Chime
EX015 Electromagnetism
EX017 Fluorescent Lights
EX018 Measuring the Ocean Depths
EX020 Measuring Outer Space
EX022 Model Airplanes
EX023 How to Develop a Picture
EX024 Molding
EX025 How Traffic Signals Work
EX026 Most Liquid contain either Acid or Alkali
EX027 Inside a Cave, Make stalactite
EX029 Operation of a Doorbell buzzer
EX031 Parts of an Electric Motor
EX032 Minerals: Origin, Distribution
EX034 A Water Pump in action
EX035 Make an Equatorial Sundial
EX036 A Weather Station
EX037 Our Solar System
EX038 A Cotton Gin
EX039 Phases of the Moon
EX040 A Wheat Elevator
EX042 Cross Section of a volcano
EX043 Salt and its Uses
EX046 Cross Section of the Earth
EX047 Simple Machines
EX048 Distillation of Water
EX053 Fingerprinting
EX055 The Telegraph Key
EX057 Which Metals Conduct Heat best?
EX062 Light
EX064 Snowflakes
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
EX083 Working of a Telegraph
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
EX113 Precipitation
EX114 Water Filtration
EX119 Tides
EX121 Collect and Identify minerals and rocks exposed in local area.
PX001 Make a Volcano Model
PX002 Make a Magnet
PX003 Design and Make A Model Arm
PX004 Make A Bird House
PX005 Insect Collection Display
PX006 Cotton Culture Display
PX007 How Old Are Trees
PX008 Make a Sundial
PX009 Human Eye / Vision Research
PX010 Food Values
PX011 Inside Fruit
PX012 Make A Compass
PX014 Habitat Studies
PX015 Make Salt Crystals
PX016 How a Tooth Decays
PX017 Make Sugar Crystals
PX019 Nutrition
PX020 Insects: Bad Guys or Good Guys?
PX021 Draw A Magnetic Field
PX022 The Solar System
PX024 Parts of the eye (Make a Model of the Human Eye)
PX025 Parts of a Hen's Egg
PX027 Parts of a Horse (Display)
PX028 Parts of Birds (Display)
PX029 Do Plants Grow Toward Light?
PX030 What material and objects will be attracted by magnet?
PX035 A Secret Letter with Invisible Ink
PX036 Germination
PX043 What is needed for fire to start?
PX048 The Sun, Moon and Earth (Make Model)
PX049 The Human Heart, Make Display and Working Model
PX053 Carbon Dioxide and Man
PX055 How to Test Food for Starch?
PX058 Bees
PX061 How Do You Test If The Egg Is Cooked?
PX062 Best Packaging for an Egg
PX063 Make A Simple Electric Circuit
PX064 What Battery Last Longest?
PX065 Do Detergent Work Best In Cold or Hot Water?
PX066 What causes the milk to spoil?
PX067 Make Yogurt
PX071 Which freezes faster? Water or Salt Water?
PX072 Which freezes faster? Water or Sugar Water?
PX075 What makes plants grow upward? Light or Gravity?
PX076 What is the effect of light on a plants growth?
PX078 What is the effect of salt water on a plants growth?
PX079 What is the effect of sugar water on a plants growth?
PX081 What is the effect of vinegar on plants?
PX083 What is the effect of oil on plants?
PX084 What color light is best for a plants growth?
PX085 What factors affect the evaporation of water?
PX086 What is the effect of sugar or salt in the evaporation of water?
PX087 Compare two dishwashing liquid to see which one makes more bubbles.
PX088 Does the temperature of water affect the time it takes for the water to freeze?
PX089 Identify counterfeit bills
PX090 Test Apple Maturity
PX091 Test fruits or fruit juices for starch
PX092 What is cotton candy?
PX101 Cost Comparison
PX110 A Tundra (Make a model)

Physics Projects

EP001 How metals compare in conducting heat.
EP003 Egg Floatation (buoyancy)
EP005 How does the amount of oxygen affect the rate of burning?
EP007 Are some substances more soluble than others
EP008 How do Aeorplanes fly? What is the best wing shape?
EP009 How do waves carry energy
EP010 How do magnets work? How are they made?
EP012 How Light is Affected passing through water e.g. viewing objects under water, formation of rainbows.
EP013 What limits the speed of a car, boat, or a truck?
EP014 Submarine: How to sink? How to float?

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.
EC006 Effect of Acids on teeth, bones and eggs

Biology Projects

EB001 Personal observations on life cycle
EB004 What attracts insects? light or heat?
EB011 plants and fertilizer
EB021 How pet mice respond to different types of food (pellets, crushed, solid)
EB031 Why do plants grow towards light?
EB032 The effects of gravity on seed germination
EB033 How water moves through the plant
EB034 How plants reproduce and factors that affect the process
EB035 Why do plants move?
EB036 How do plants get nitrogen
EB037 Does gravity affect plant growth?
EB041 The importance of earthworms to soil and plants
EB042 The effect of soil components and organic matter on growth of plants.
EB056 Plants and animal life in a balanced aquarium

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.
EM001 Day Length
EM002 Air Movement - Is air in your house the same temperature at floor level and near the ceiling? How could you spread heat more evenly through the house?
EM003 Dew - Does it form on clear or cloudy nights? What other frost factors increase the amount of dew? Can you measure how much dew is formed in a square meter.
EM004 Temperature. - How does the temperature change during the day? What time is usually the warmest? Can you construct your own thermometer to keep your own records.
EM005 Rain - How does a rain gauge work? Measure the rainfall over a period of time and compare it with the daily weather reports. - Principles of cloud seeding and other weather modification.

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.