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  1. Jun 23, 2019 · To help kids get inspired, we’ve summarized 100+ winning science fair projects below for 6th graders through 12th grade. Have you won a science fair project? Interested in sharing your idea?

    • 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!
  2. Oct 11, 2024 · The Short Answer: How do you do a science fair project? Your science fair project may do one of three things: test an idea (hypothesis), answer a question, and/or show how nature works. Ask a parent, teacher, or other adult to help you research the topic and find out how to do a science fair project about it. Test, answer, or show?

  3. 1. How does the temperature of a tennis ball affect the height of its bounce? 2. How does the air pressure of a soccer ball affect how far it travels when kicked? 3. Does a metal baseball bat vibrate more than a wooden one? 4. How does the weight of a bowling ball affect how many pins the ball knocks down? 5.

  4. Find a winning project in our huge library of science fair ideas all organized by grade level! Get detailed guides for experiments in biology, physics, & chem.

  5. Free Topic Selection Wizard, science fair project ideas, step by step how to do a science fair project, Ask an Expert discussion board, and science fair tips for success.

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  7. You will find science fair experiment ideas in biology, physics, chemistry, electricity, magnetism, earth science, and more! All of these simple experiment ideas can be used in some way to create an awesome science fair project.