73 Science Projects for 3rd Graders
3rd Grade Science Project FAQ
What are some easy 3rd grade science fair projects?
Any one of these easy 3rd grade science fair projects will teach you important scientific concepts and help you have fun while learning. An easy science fair project is a great way to introduce the wonders of science to 3rd graders!
Preserving Flowers with Sugar
Bacteria on Our Hands
Growing Your Own Yeast Fungus
Magic Milk Painting
Swimming Raisins
Making Oobleck: Liquid or Solid?
Sparkling Rainbow Crystal
Explosive Elephant Toothpaste
Colors of Skittles Experiment
Balancing a Ball in Air
Science fair project details right above the FAQ!
What is the best 3rd grade science project ever?
We love the Bacteria on Our Hands science fair project for 3rd graders. It's a great way to introduce 3rd graders to bacteria, tiny living things we can't see until we grow a bunch of them on a special plate called an agar plate.
If you're looking for more 3rd grade science projects, check out the 3rd grade science fair projects at the top of this page!
Check out more Best Science Fair Projects →
What are some cool 3rd grade science fair projects?
Get ready to be amazed by these super cool science projects for 3rd graders! With just a few simple things, you can be fascinated by science and have tons of fun with these cool 3rd grade science projects!
Bacteria on Our Hands
Magic Milk Painting
Swimming Raisins
Making Oobleck: Liquid or Solid?
Sparkling Rainbow Crystal
Explosive Elephant Toothpaste
Preserving Flowers with Sugar
Growing Your Own Yeast Fungus
Balancing a Ball in Air
Colors of Skittles Experiment
Science fair project details right above the FAQ!
What are 5 testable questions for 3rd grade?
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!
What makes a cloud form?
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 3rd grade?
These are our top 10 science projects for 3rd grade, with projects from Biology, Chemistry, Physics, Engineering and Earth Science. These projects can be used as science fair project ideas or as a fun experiment to explore different areas of science!
Colorful Temperature
Preserving Flowers with Sugar
Bacteria on Our Hands
How Soil Affects Pinto Bean Growth
Growing Your Own Yeast Fungus
Jiggly Earth: Exploring Liquefaction
Growing Crystals in Different Temperatures
Make Your Own Anemometer
Balancing a Ball in Air
Swimming Raisins
Science project details right above the FAQ!
Can I do a 3rd grade science fair project in a day?
Yes! Quick experiments can be a great option for a science fair project! If you want to explore quick reactions, we have science project ideas on various topics to get you started.
Acid-base reactions: Mixing acids with bases quickly makes carbon dioxide gas!
Make a rocket fly sky high with just baking soda and vinegar! Rocket Film Canisters
Chromatography reactions: Separate out colors!
Did you know that some Skittles have a secret rainbow hiding inside them? Colors of Skittles Experiment
Heat reactions: Heat speeds things up!
Do you want to find out which color candle burns the fastest? Which Candle Burns the Fastest?
What are some hands-on ways to find inspiration for my science fair project?
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.
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?
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 Fair Coach's Science Fair Project Guide.
What should I do after I have a science fair project idea?
If you have a science fair project idea, Science Fair Coach can help you turn it into a full science fair project! Starting at Introduction to Science Fairs, we'll guide you through how to do a science fair project, from designing and conducting your experiment to collecting and analyzing your findings. Then, we'll help you showcase your results on a science fair board with our Guide to Science Fair Posters.
How do I make a science fair board?
Your science fair board is where you show off your science fair project for everyone to see and learn from. With our Guide to Science Fair Posters, you can make sure your science fair board stands out and impresses at the science fair!
What is the scientific method?
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 Guide to the Scientific Method!
What is the engineering design process?
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 Guide to the Engineering Design Process!
Where can I find a science fair competition?
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 Society of Science affiliated science fair near you!
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!