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1000 Science Fair Projects with Complete Instructions

Physics is the study of how the universe works. Physicists study everything from tiny particles that make up atoms to huge stars and galaxies. They help us understand how things move, how energy works, and even how time and space are connected!
Measuring Rock Density
General Physics Science Fair Project
Medium
Rocks are irregularly shaped. How can you measure the density of a rock? (Density = weight / volume) Discover the answer by using water displacement and weighing the rock to find its density!
Exploring Color and Wavelengths in Space
General Physics Science Fair Project
Hard
Did you know that space isn't just black and white? Join us on a colorful journey through the cosmos and discover what the colors can tell us about the universe!
Light's Dual Nature
General Physics Science Fair Project
Hard
Discover how light can behave like both a wave and a particle in this fun experiment!
Static Electricity: What's Attracting?
General Physics Science Fair Project
Medium
Have you ever wondered what materials have the most static electricity? Find out by rubbing a balloon on different materials and counting how many pieces of paper it attracts!
The Salty Science of Electrolysis
General Physics Science Fair Project
Hard
Have you ever wondered what happens when you mix salt and electricity? Find out in this science project!
Osmosis in Eggs
General Physics Science Fair Project
Hard
Have you ever wondered what happens when you put an egg in salt water? Find out in this science project!
UV Protection and Clothing Color
General Physics Science Fair Project
Hard
Does the color of your clothing affect how much UV radiation you're exposed to? Find out in this science project!
Exploring Color and Water Depth
General Physics Science Fair Project
Hard
Dive into this science project to explore how the color of objects changes as they are submerged deeper into the water.
Color Filtering with Lasers
General Physics Science Fair Project
Hard
See what happens when you put a colored filter in front of a laser pointer!
Sensors: Light vs. Touch
General Physics Science Fair Project
Hard
Compare the effectiveness of a light sensor and a touch sensor to count boxes on a conveyor belt.
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