All Science Fair Projects
1000 science fair projects with complete instructions.
105 Science Fair Projects for High School
Looking for inspiring high school science fair project ideas? You're at the right place, as we compiled this wide range of science projects for 9th grade, 10th grade, 11th grade and 12th grade!
High School Science Fair Project FAQ
What are some easy high school science fair projects.
High school students can have a blast with science by trying out any of these easy science fair projects. These science fair projects teach important scientific concepts while making learning fun and enjoyable.
Growing Pineapples
Osmosis in Eggs
The Effects of Salt and Sugar on Water
Detecting Infrared Light
Solar System Scale Model on the Sidewalk
Temperature's Effect on Seawater
Decomposing Plastic Spoons
Color and Taste
Glowing in the Dark
Hand-Eye Coordination and Age
More details on these science fair projects right above the FAQ!
What is the best high school science project ever?
We highly recommend the Osmosis in Eggs science fair project for high school students. This experiment demonstrates how water moves through a membrane until it's balanced on both sides. By testing how different factors like salt, sugar, and temperature affect osmosis, you can learn more about this fascinating process and its real-life applications.
If you're looking for more high school science projects, check out the high school science fair projects at the top of this page!
Check out more Best Science Fair Projects →
What are some cool high school grade science fair projects?
Get ready to be amazed by these super cool science projects for high schoolers! With just a few simple things, you can be fascinated by science and have tons of fun with these cool high school science projects!
Create a Hand-Drawn Hologram
Galileo's Inclined Plane Experiment
Are Dogs Color-Blind?
Plant Pavlovian Conditioning
Uncovering Chaos: Precision and Iterative Processes
Jet Lag in Hamsters
What are 5 testable questions for high school?
A testable question is a question that we can answer through a science experiment. To do this, we do a control science experiment, then we change one thing in the experiment to see how it affects what happens. This is how we can discover the answer to our question!
Do detergents affect plant growth?
Can drink and food taste different just by changing its color?
Does the color of light affect photosynthesis?
Does temperature affect seed sprouting?
What makes popcorn pop?
Here are more testable questions along with their science projects →
What are the top 10 science projects for high school?
These are our top 10 science projects for high school, with projects from Biology, Chemistry, Physics and Math. These projects can be used as science fair project ideas or as a fun experiment to explore different areas of science!
Check out the project details right above the FAQ!
Can I do a high school science fair project in a day?
Yes! Doing quick experiments or building models are great options for science fair projects! If you're looking for some ideas to get started on your quick science fair project, we have plenty of topics to choose from.
The Solar System: See it in the correct scale!
Create your own solar system model to scale on the sidewalk and take a walk through space! Solar System Scale Model on the Sidewalk
Make Your Own Hologram!
Make a hologram with nothing more than a compass and some scraps of plexiglass! Create a Hand-Drawn Hologram
Finding the Invisible Light!
Have you ever wondered what kind of light we can't see? Detecting Infrared Light
What are some hands-on ways to find inspiration for my science fair project?
There may be free admission days or free passes to a science museum near you! Check your local library for free museum passes, nearby science museums for free entrance days and your credit card for offers.
Find a science museum near you and prepare to be awed by all that you can learn there! I always learn something new and am inspired whenever I go to a science museum!
How do I start a science fair project?
What should I do after I have a science fair project idea?
How do I make a science fair board?
What is the scientific method?
What is the engineering design process?
Where can I find a science fair competition?
The www Virtual Library: Science Fairs website also has a collection of science fairs from all over the world, as well as national, state, regional, local, and virtual competitions!
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