4th Grade
Award Winning Science Fair Projects

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Determine the best way to keep your dog's teeth clean and to have a "fresh" breath. [Project]
Which disinfectants are the best at destroying germs? [Project]
How did the Ancient Egyptians Mummify? [Project]
Which planet in our solar system has the safest environment for humans to live on? [Project]
Practices that might reduce the amount of wastes created at school [Project]
What is the Effect of Magnification on Heat in a Solar Oven? [Project]
Is the amount of heat energy used less when there are more kids in the school? [Project]
Find out which liquid evaporates the fastest. [Project]
The effect of moisture on crystal growth [Project]
Discover if sugar crystals grow bigger in a certain type of liquid [Project]

See also:
Award Winning 3rd Grade Science Fair Project Examples
Award Winning 5th Grade Science Fair Project Examples

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Last updated: January 2018
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