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Over 1000 FREE Science Fair Project Ideas!

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Since there is a lot of liquid juice in an orange, our hypothesis states that there will be 50% or more water in an orange.
Difficulty: Elementary school
I wanted to develop a hands-on activity related to my field of interest -- civil engineering with an emphasis in pavement and materials. Asphalt cookies were the perfect solution. Asphalt cookies are chocolate no-bake cookies. The process of making these cookies parallels the procedures used to produce asphalt pavements.
Difficulty: Elementary school
Use baking soda and vinegar to create a chemical reaction which launches a rocket (a film canister) sky high.
Difficulty: Elementary school
You can create quite a fizzle by mixing baking soda/sodium bicarbonate - a base with vinegar/acetic acid. Well.. it's theoretically 'edible' but I wouldn't recommend tasting it (yuck!).
Difficulty: Elementary school
This experiment shows you how to split the different colors of ink or food dyes that can be found in a smartie or m&m using the process of chromatography
Difficulty: Elementary school
This really fun experiment shows you how to make a plate of Rice Crispies stand up and jump from a plate, with the help of static electricity.
Difficulty: Elementary school
This activity uses a common potato and two different metals to make a enough electricity to run a small digital clock. Try this activity then attempt to expand on it to create a neat science fair project.
Difficulty: Elementary school
A really simple but cool experiment using raisins and soda water!
Difficulty: Elementary school
In this cool science experiment, youÂ’ll show how to make raisins "swim" up and down in a jar, using nothing more than a few things that you commonly find in a kitchen.
Difficulty: Elementary school
This experiment was performed to investigate how a person’s height will affect the distance of his or her stride. Comparisons were made between boys and girls and between different age groups.
Difficulty: Elementary school
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