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Below is a list of the 1190 science fair project ideas on our site. To help you find a topic that can hold your interest, Science Buddies has also developed the Topic Selection Wizard . It will help you focus on an area of science that's best for you without having to read through every project one by one!
- From Trash to Gas: Biomass Energy
In this green chemistry science fair project, you will...
- Predicting Population Growth With Mathematical Models
Note: For your science fair project, you will experiment...
- Forensics
Today, the use of scientific evidence is so prevalent in the...
- Sweet as Sugar
Sugar, also known as sucrose, comes from plants like sugar...
- Sand Structure
Disclaimer: Science Buddies participates in affiliate...
- Candy Chromatography
Chromatography is a group of techniques, including paper...
- Deep Knee Bends: Measuring Knee Stress With a Mechanical Model
This project is based on a 2007 California State Science...
- Paintball Ballistics
The objective of this sports science fair project is to...
- From Trash to Gas: Biomass Energy
- Alex Yang
- How Different Types of Light Affect Vitamin C Content in Fruits. This project involves studying how different light sources affect the vitamin C content of fruits.
- The Effects of Exercise on Heart Rate. This project investigates how different types of exercise impact heart rate. By measuring heart rate before, during, and after activities such as running, cycling, and jumping jacks, you can analyze how the heart and body responds to exercise and which movements push your heart rate the most.
- The Aerodynamics of Paper Airplanes. Learn about aerodynamic principles by observing the flight of paper airplanes. By constructing paper airplanes with different designs, including variations in wing shape, size, and folding techniques, you can analyze their flight performance and see what design flies the farthest or is airborne for the longest.
- How Sleep Impacts Academic Performance. You can use yourself or your friends as test subjects for this experiment, where you analyze the correlation between sleep duration and academic performance.
Here's a list of over 30 Science Fair ideas to get you started. Then download science experiments, and watch experiment videos to inspire your project.
- How to Use The Stemium Science Fair Project Ultimate Guide?
- Getting Started – Why Do A Science Fair Project
- What’s The Scientific Method?
- What Science Fair Project Should I do?
- Starting Your Project: Find A Testable Question
- Outline Your Science Project – What Steps Should I take?
- Experiment – Time to Test That Hypothesis
- Analyze Results – Make Conclusions
- Presentation Time – Set Up Your Board, Practice Your Talk
If you are just starting off and this is your first science fair, here’s how to get started: 1. Start with the STEMium Science Fair Project Roadmap. This is an infographic that “maps” out the process from start to finish and shows all the steps in a visual format. 2. Getting Started – Why Do a Science Fair Project. Besides walking through some reas...
For many students, participating in the science fair might be a choice that was made FOR you. In other words, something you must do as part of a class. Maybe your parents are making you do it. For others, maybe it sounded like a cool idea. Something fun to try. Whatever your motivation, there are a lot of great reasons to do a science fair project....
Before we jump into your project, it’s important to introduce a key concept: The Scientific Method. The scientific method is the framework scientists use to answer their questions and test their hypothesis. The figure below illustrates the steps you’ll take to get to the end, but it starts with asking a question (you’ve already finished the first s...
We won’t sugar coat it… in our experience, this is the hardest part. One thing to keep in mind: coming up with ideas is the hardest part of life, not just science fairs. Think about it. Whenever you’re with a group of people and you try to come up with something to do, somewhere to eat, there’s usually that awkward pause/silence followed by “I don’...
The best experiments start with a question. Taking that a step further, the questions you useyou’re your science fair project should be ones that are TESTABLE. That means something you can measure. Let’s look at an example. Let’s say I’m super excited about baking. OH YEA!! I love baking. Specifically, baking cakes. In fact, I love baking cakes so ...
Congratulations! If you’ve made it this far you’ve got an idea. Since that’s one of the toughest hurdles, pat yourself on the back. You also know all about the scientific method. You probably also have a testable question. You’re on a roll!!Now let’s move on to shaping out what our project will cover – and what we actually have to DO to finish our ...
Way to go! You’ve found a problem and identified a testable question. You’ve done background research and even created a hypothesis. It’s time to put it all together now and start designing your experiment. Two experiments we have outlined in detail – germiest spot in school and alka-seltzer rockets– help show how to set up experiments to test vari...
Analyzing means adding up our results and putting them into pretty pictures. Use charts and graphs whenever you can. In our last coin flipping example, you’d want to include bar charts of the number of heads and tails at different temperatures. If you’re doing some other type of experiment, take pictures during the different steps to document every...
Personally, the presentation is my favorite part! First, you get to show off all your hard work and look back at everything you did! Additionally, science fair rules should outline the specific sections that need to be in the report, and in the poster board – so, be like Emmett from Lego Movie and read the instructions. Here’s a loose overview of w...
- Lemon Volcano. Skip the vinegar volcano and try lemon juice!
- DIY Bouncy Balls. Learn about polymers while making DIY toy!
- Shiny Pennies. A classic experiment that kids love is Shiny Pennies. Collect dirty tarnished pennies and have kids soak them for a minimum of 5 minutes in different acidic liquids.
- Regrow Vegetable Scraps. Did you know you can start an entire garden from vegetable scraps? It works indoors too!
A science fair is an opportunity for students to do an independent science project following either the scientific method or the engineering design process. Students conduct their research then present their results at a science fair.
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15 Best Science Projects - Our Scientists' Picks. Over 1,200 free science projects searchable by subject, difficulty, time, cost and materials. Browse the library or let us recommend a winning science project for you!
