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Ninth Grade Science Experiments (top 2,000 results)

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Which Wheat Flour Has the Most Gluten?
Science Fair Project Idea
Scientific Method
Close your eyes for a moment and think about your favorite cake, pasta, and crusty bread. OK, you can open your eyes now, and please do not drool on your computer! What was the cake you pictured like? Was it light and fluffy? Did you imagine pasta with a silky, smooth texture? Was the bread you pictured wonderfully chewy? Did it give your jaws a workout? In this science fair project, you will explore an amazing substance in these foods, called gluten, and discover why these foods, all made from… Read more
Why Are Teens Stressed?
Science Fair Project Idea
Scientific Method
What causes the most stress for teenagers? Is it school? family relationships? peer pressure? worries about the future? Design a survey to find out what contributes to teens' stress levels. Possible variations include: How do teenagers deal with stress? Are today's teens more or less stressed than their parents were as teenagers? Were the sources of stress the same for your parent's generation or different? (Idea from De Biasi, 2003) Read more
Wizards and Magic: Summer of STEM (Week 3)
Blog Post
Join Science Buddies this summer for virtual summer camp! Each week, we'll highlight fun STEM themes for kids of all ages, including suggestions for simple hands-on activities, book picks, and more. We'll keep you inspired all summer with creative and innovative science and engineering activities — for free. This week: wizard- and magic-themed science! Wizards & Magic STEM Week 3 brings out the wizard in all of us! If your kids are fans of… Read more
You Are What You Eat!
Science Fair Project Idea
Scientific Method
Thinking about improving your sports performance? Want to help friends and family make the most of their physical fitness activities? One factor to consider is food! Whether you realize it or not, what you eat does change your body! It affects how you feel, and can even change how you perform in sports. This science fair project will help you explore the link between what goes in your mouth and what your legs and arms can do. Read more
10 STEM Activities for COVID-19 and Virus Science
Blog Post
Use these free STEM lesson plans and activities to explore science related to viruses, pandemics, and COVID-19 with K-12 students. Science teachers have always taught health, human biology, and microbiology to K-12 students. This year, however, these topics have new urgency and real-world impact. Thanks to the COVID-19 pandemic, students are aware of viruses in new ways. But what makes COVID-19 different than the flu? How does social distancing make a… Read more
11 Launch and Catapult Science Projects
Blog Post
Put physics in motion! Experiment with the science of launching and catapulting with fun hands-on science and engineering projects. How can science explain trajectory, flight path, and aim? Launch and Catapult Science. Hands-on STEM with Science Buddies. www.sciencebuddies.org K-12 Science Projects and Activities The following Science Buddies projects explore the science of launching and catapulting with trebuchets, rockets, catapults, or similar… Read more
12+ Engineering Projects to Celebrate Girl Day
Blog Post
Take time this Engineers Week to encourage a girl to try an engineering project or activity! Our list of 12+ ideas will help get you started! Today is Girl Day, an exciting part of Engineers Week! Girl Day is a wonderful reminder to educators and parents around the world that talking with girls about engineering careers, introducing them to engineering role models, and engaging them with creative and hands-on engineering activities can help them see… Read more
12 Great Ideas for Engineers Week
Blog Post
Celebrate engineers and the spirit of engineering by doing a hands-on STEM project or activity with your students! Our list of 12 fun STEM ideas will get you started! E-Week: Innovative Engineering Projects and Activities for K-12 Students. Hands-on STEM with Science Buddies. www.sciencebuddies.org Celebrate Engineers Week with Your Students Our Engineers Week collection for features some excellent choices for student engineering projects and… Read more
12 STEM Activities for Lunar New Year
Blog Post
Celebrate Lunar New Year and the Year of the Horse with these free science and engineering activities for enriching hands-on STEM. What is Lunar New Year? Lunar New Year (also known as Chinese New Year) begins February 17, 2026. Lunar New Year starts with the new moon that happens in late January or February. Celebrations continue for 15 days and culminate with a Lantern Festival. In Chinese culture, 2026 will mark the Year of the Horse. There are… Read more
14 Balloon Science Activities
Blog Post
Engaging student science doesn't always require specialty materials. These hands-on STEM projects all use balloons! Hands-on Science with Ballons. Hands-on STEM with Science Buddies. www.sciencebuddies.org K-12 Science Projects and Activities Balloons can be used in a wide range of student hands-on science projects. From powering a car or propelling a hovercraft to enabling exploration of rocket science, kids can experiment with physics, aerodynamics,… Read more
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