Julian's Science Fair
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Elementary School Science Fair Projects (3-5)
Free Project Examples and Ideas by Grade Level


By Grade Level
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By Topic
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Astronomy Aviation Biology Easy Winning

Entire Collection
The effect of airplane shape, wing shape and wing size on its aerodynamics lift using a wind tunnel. [View Project]
Build a crystal radio and see if it is possible to hear aliens with the radio. [View Project]
Which surface of hydro power line would be best to prevent ice build up? [View Project]
Make a better environmentally friendlier ice melter. [View Project]
How We Perceive Our Own Voices [View Project]
Think, and Change your Dreams [View Project]
Compare short term memory according to gender and age. [View Project]
Compare the amount of omega-3 found in supplements to the amount claimed. [View Project]
Building Musical Instruments [View Project]
Which roofing material is the best choice for Calgary? [View Project]
Find different ways to prevent the damaging effects of soil erosion. [View Project]
Does keeping your window open reduce the damage during a tornado? [View Project]
Energy Consumption Efficiency of Different Kind of Light Bulbs [View Project]
Does the "5 Second Rule", of picking up a piece of food from the floor, work? [View Project]
How Certain Beverages Affect Tooth Decay [View Project]
Determine whether the pitch of a string can be changed by changing tension or length? [View Project]
Radar Detection: How To Make Airplanes Invisible [View Project]
Investigate the Sprague’s Pipit [View Project]
Find out whether micro-algae can produce bio-oil which can be turned into bio-diesel [View Project]
Determine if turmeric can prevent the growth of bacteria which cause foodborne illnesses. [View Project]
The black-tailed prairie dog [View Project]
House Color Effect on the Temperature Inside The House [View Project]
Why is the piping plover endangered and what can be done to help it? [View Project]
Describe the biology and habitat of the swift fox. [View Project]
Explore the burrowing owl [View Project]
Explore the sage grouse. [View Project]
Research The Loggerhead Shrike [View Project]
Design and test a simple waste digester and a gas collection system. [View Project]
Food vs. Fuel [View Project]
The kangaroo rat and its adaptations for survival in a desert habitat [View Project]
Explore where diamonds are found, how they are formed, and what they are used for. [View Project]
Discovering photosynthesis: which colour of light is best for growing plants - green, red or white. [View Project]
How does acid rain affect plants? [View Project]
Does the amount of fertilizer given to a plant affect its growth? [View Project]
The Hawaiian Islands formation and geology? [View Project]
Research the Coelacanth Fish [View Project]
Information about wind energy [View Project]
The effects of water type and temperature on an hydrogen fuel cell efficiency [View Project]
Banana Peel Biomass Briquettes Fuel Efficiency [View Project]
Determine which of the following vitamins A, C, D, or E is the best antioxidant. [View Project]
What is Dyslexia? [View Project]
The best way to prevent bacteria from spreading after someone has sneezed. [View Project]
Which disinfectants are the best at destroying germs? [View Project]
Find out if bacteria enters a beverage when you drink it from a bottle. [View Project]
The effect of pre-test exercise on sixth grade students' math test scores. [View Project]
How did the Ancient Egyptians Mummify? [View Project]
Forensic Determination of Crime Suspects by Lip Prints and Chromatography [View Project]
Fingerprint Similarity Between Siblings and Non-related People [View Project]
Show that biodegradable plastic breaks down faster than regular plastic. [View Project]
What kind of ice melting products work the fastest and damage plant life the least. [View Project]
Greenhouse Effect, Temperature Increase and Climate Change [View Project]
Environmental Audit and Carbon Footprint to reduce greenhouse gas emissions [View Project]
Build a waterslide and research how does it work. [View Project]
Figure out if the flex of a hockey stick makes a shot faster or more accurate. [View Project]
Which roofing material and color offers the best energy efficiency? [View Project]
Research different ways to brake a car and recover the energy from stopping. [View Project]
Methods of storing electrical energy [View Project]
How does precipitation vary around the country? [View Project]
What materials work best in a sandbag for blocking floodwaters? [View Project]
Test whether more expensive towels can retain more water and are stronger [View Project]
Determine which fabric is the best insulator. [View Project]
Which planet in our solar system has the safest environment for humans to live on? [View Project]
Densities of Various Solutions vs. Plastic Separation [View Project]
Practices that might reduce the amount of wastes created at school [View Project]
What is light pollution. [View Project]
How can we save ozone layer? [View Project]
What is the effect of ozone on plant growth. [View Project]
The Effect of Water Salinity and Temperature on Oil Spreading Rate [View Project]
Oil Absorbency of Polypropylene Pads vs. Natural Products [View Project]
Which type of environment is most affected by an oil spill? [View Project]
Explore Global Warming and Arctic Ice Cap Melting[View Project]
Global Warming: What are Street Sponges? [View Project]
How does water speed affect turbidity in a river? [View Project]
Effect of Human Activity on Benthic Survey and Water Quality Parameters [View Project]
Investigate the endangered salmon [View Project]
Explore dolphin bycatch (caught in nets) [View Project]
Farmed salmon effects on the environment and health. [View Project]
Helping painted turtles [View Project]
How the Marbled Murrelet is threatened in British Columbia [View Project]
Explore Endangered Species [View Project]
Will Global Warming affect the Piping Plover's life? [View Project]
Investigate the great basin spadefoot toad [View Project]
Investigate the North Atlantic Right Whale including its threatened status. [View Project]
Investigate turtles and tortoises. [View Project]
Why are coral reefs dying? [View Project]
The Effect of Bleach on the Survival Rate of Daphnia [View Project]
The Effect of Oil, Weed Killers and Salt on the Survival Rate of Daphnia [View Project]
The Effect of Chlorine on the Survival Rate of Daphnia [View Project]
Car exhaust effect on seedlings and germination rate [View Project]
How to reduce car air pollution. [View Project]
How do Vehicles Affect the pH Properties of Snow [View Project]
Extracting copper from ore (biolixiviation). [View Project]
Bacterial Content of Water Bottles [View Project]
The effect of acid rain exposure time and pH levels on daphnia [View Project]
The Effect of Acid Rain on Spider plants [View Project]
The Effects of Acid Rain on Germination? [View Project]
The Effect of Vitamin A on Radish Plants Exposed to Acid Rain? [View Project]
The Effect of Acid Rain on Wheat Grass [View Project]
Determine the effect of acid rain on plant growth. [View Project]
Why does acid rain destroy buildings and pavements? [View Project]
Effect of Acid Rain on the Biomass of Radishes [View Project]
Which Species of Wood Will Produce the Most Thermal Energy When Combusted [View Project]
Which passive solar collector absorbs the most heat? [View Project]
Which Angle of Pitch will Produce the Greatest Amount of Electricity? [View Project]
The Effect of Blade Size (Length, Area) on Electrical Output of a Windmill? [View Project]
Number and Size of Blades of a Wind Turbine vs. Electrical Output [View Project]
How much wind velocity do we need to generate power (light a LED)? [View Project]
Pull a car with water power [View Project]
How Does Dam Water Height Affect the Output of a Turbine? [View Project]
The effect of different types of insulation materials on heat retention. [View Project]
Does temperature affect the performance of a fuel cell? [View Project]
Do different interior designs of a solar oven affect its performance? [View Project]
Box solar cooker vs. funnel solar cooker [View Project]
What is the Effect of Magnification on Heat in a Solar Oven? [View Project]
Is the amount of heat energy used less when there are more kids in the school? [View Project]
The Effect of Candle Wax Hardness on the Burning Time of a Candle [View Project]
How a rifle is affected by weather. [View Project]
How brakes work? [View Project]
Which drink would make a car go the fastest by putting a nitro tablet inside it [View Project]
Is the pyramid the strongest 3D geometric structure? [View Project]
Find out how elevators work using pulleys [View Project]
The effects of the size and shape of a balloon rocket on its flight speed [View Project]
How far paper airplanes go depending on shape, size and weight. [View Project]
Which plane wing shape of five is the most aerodynamic. [View Project]
Which plane from four designs flies the best [View Project]
Physics of airplanes including a brief history of flight. [View Project]
Investigate the history and physical properties of the Spruce Goose [View Project]
How an FM radio works? [View Project]
Which fruit or vegetable conducts electricity the best? [View Project]
Laws of repulsion and attraction of magnetic poles use in levitating trains [View Project]
How do loudspeakers work? [View Project]
How does electricity come to my house? [View Project]
Determine whether overcrowding affects fish growth. [View Project]
Research the Declination of Pacific Salmon in the Fraser River [View Project]
Find the balance of nature in an aquarium [View Project]
The Mountain Pine Beetle's Negative Impact on Pine Trees [View Project]
The Case of the Missing Marmots [View Project]
Overpopulation vs. Overconsumption [View Project]
Why Burns Bog is so hard to preserve? [View Project]
Simulate a tsunami. [View Project]
What are hurricanes? [View Project]
Determine what the strongest and weakest points of a hurricane are. [View Project]
Shrinking ice caps in the Arctic and how they might affect the world. [View Project]
Type of liquid (pH) and limestone erosion. [View Project]
Measure the slope angle at which different rocks slid one over another (landslide). [View Project]
Evaluate the effectiveness of various ice melting products [View Project]
Everything about arsenic [View Project]
Investigate natural poisons and venoms related to plants and animals. [View Project]
Find out if polyester or nylon is stronger for the construction of hot air balloons [View Project]
Which diaper company is better in absorbency? [View Project]
Find out which liquid evaporates the fastest. [View Project]
Research gasoline and Diesel engines. [View Project]
The Oil Industry [View Project]
The effects of different chemicals on the color of different fabrics [View Project]
The dependence of current on the concentration of sodium chloride in the electrolyte [View Project]
Is there any difference between white egg shells and brown? [View Project]
The effect of moisture on crystal growth [View Project]
Discover if sugar crystals grow bigger in a certain type of liquid [View Project]
Make your own stalactite [View Project]
Find out how sterile a doctor's office really is. [View Project]
Which carpet cleaner will remove tough stains the best? [View Project]
Which stain remover removes stains the best? [View Project]
Effectiveness of Non-Alcohol Versus Alcohol-Based Hand Sanitizer [View Project]
Measure air pressure by using chemicals and corked bottles [View Project]
Which substance will burn the fastest? [View Project]
Make your own cabbage juice pH indicator [View Project]
Record the acidity (pH level) of different fruit juices. [View Project]
What affects mild steel more, acids (vinegar) or bases (ammonia)? [View Project]
What are cells (biology)? [View Project]
Can DNA be extracted from onions and observed with the naked eye? [View Project]
The effect of gravity on plant growth (tropism) [View Project]
How do different concentrations of salt water affect plants? [View Project]
The effect of light on seed germination [View Project]
Exploring the relationship (pollination) between Lesser Dawn Bats and durian fruit [View Project]
Will roots: hold soil together, always grow towards water, always point down? [View Project]
Is there a way to prolong the life of fresh cut flowers? [View Project]
What happens when a plant population is too dense? [View Project]
On what fruits will penicillium mold grow? [View Project]
Do different kinds of bread mold at different speeds? [View Project]
Find out if lemon acid can kill plants. [View Project]
Why is The Sun Hot? [View Project]
Investigate the solar system. [View Project]
Are solar flares harmful to your health? [View Project]
Black holes and time [View Project]
Research stars birth, life, and death. [View Project]
Explore the sun, stars, black holes and supernovas [View Project]
What are Cosmic Rays? [View Project]
Investigate constellations and some of the myths behind them. [View Project]
Demonstrate what happens when a meteor hits the earth and becomes a meteorite. [View Project]
Make an alien that can survive on the planet Mercury. [View Project]
Creating an alien that can survive on the planet Mars. [View Project]
Research the physical traits of Pluto and design an alien that can survive on this planet. [View Project]
What is Terraforming? [View Project]




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Last updated: June 2013
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