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
Grade 3 Grade 4 Grade 5

By Topic
Astronomy Aviation Biology Botany Chemistry
Earth Electricity Endangered Energy Engineering
Environmental Forensic Health Physics Zoology
Astronomy Aviation Biology Easy Winning

Entire Collection

Determine if all kinds of food waste produce the same amount of methane. [View Project]
Research plankton [View Project]
Determine the best way to keep your dog's teeth clean and to have a "fresh" breath. [View Project]
Compare air oxygen content in the forest to that in the city. [View Project]
Build a variation of a teeter-totter for one person. [View Project]
Which will bounce higher? A basketball with nitrogen in it or a basketball with oxygen in it? [View Project]
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]

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Last updated: June 2013
Copyright © 2003-2013 Julian Rubin