
13 Quick Science Fair Projects You Can Do In A Day
Snap a baking-soda lid onto a vinegar-filled film canister and watch gas pressure launch it skyward.
Easy
Boil red cabbage to make purple juice that turns pink in acids and green in bases.
Medium
Add acid drop by drop to four antacid brands and measure which one takes the most acid before it gives up.
Hard
Drip water onto a candy sitting on filter paper and watch hidden ink colors separate into colored rings.
Easy
Soak torn leaves in rubbing alcohol and use coffee filter strips to separate the hidden colors that chlorophyll covers up all summer.
Medium
Light five candles of different colors at once and time which one burns down first.
Medium
Hold a water-filled balloon over a candle flame and compare it to an air-only balloon to see which one survives the heat.
Easy
Burn a single peanut under a can of water and measure how many degrees the temperature rises.
Medium
Shrink the solar system to sidewalk size and discover how surprisingly far apart the planets really are.
Medium
Scratch overlapping arcs into acrylic with a compass and watch a glowing letter float inside the plastic in sunlight.
Medium
Split sunlight with a prism and place a thermometer just past the red band to detect invisible infrared heat.
Medium
Light identical candles at three different room temperatures and measure whether heat makes them burn down faster.
Medium
Soak spaghetti in water for a few hours, then boil it for just one minute to test whether pre-soaking cuts cooking time.
Medium
Share this page:

Science fair projects are a fun and unique way to discover science by asking a question and doing a science project. We'll help you find a science fair project idea and guide you through the process of doing and presenting your science fair project with
Science museums are great places to explore if you're looking for inspiration for your next science fair project or just want to learn more about science. Science museums, natural history museums, space museums, and discovery museums are all great places to do that! You can discover all sorts of interesting things about science and find cool project ideas for science fairs.
If you have a science fair project idea, Science Fair Coach can help you turn it into a full science fair project! Starting at
Your science fair board is where you show off your science fair project for everyone to see and learn from. With our
The 7 steps of the scientific method helps us understand how nature works. Learn how the scientific method is used in a science fair project example, and how it's evolved through history as scientists used different ways to learn about nature with our
The 6 steps of the engineering design process helps us design an effective solution to a problem. Learn how to use the engineering design process with the example of the egg drop challenge in our
Science fair competitions are an excellent opportunity to explore science. One of the of the premier science advocacy organizations, the Society for Science, is associated with more than 400 science fair competitions in almost every US state, as well as over 70 other countries, regions, and territories. You can find out if there's a