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Second Grade Science Experiments (top 2,000 results)

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What's the Fastest Way to Solve Rubik's Cube?
Science Fair Project Idea
Scientific Method
If you like solving challenging puzzles, this could be a good project for you. In this project you will research different methods for solving a Rubik's cube, and then do an experiment to compare them to each other. Which method works fastest? Read more
Where There Is Charge, There Can Be Sparks!
Science Fair Project Idea
Scientific Method
Have you ever gotten a shock touching a doorknob after walking across a carpet? Static charge is responsible for that shock. Wouldn't it be cool to save up and store all of that charge in a homemade jar? It would almost be like storing lightning. This science project will show you how to do that. Read more
Which Is the Better Insulation Material?
Science Fair Project Idea
Scientific Method
You've probably noticed that the price of gasoline has been going up and up lately. Heating oil will probably cost more this winter than last winter, too. Using good insulation material is one way to conserve energy and save money. What insulation materials work better than others? Read more
Which Liquid Works Best for Evaporative Cooling?
Science Fair Project Idea
Scientific Method
When we get hot, we sweat. Sweating helps cool us down. When the water evaporates, it removes energy from our bodies. This sort of evaporative cooling can also be used to cool homes using what are referred to as swamp coolers. In some cases, these coolers may be more energy-efficient than traditional air conditioners. In this chemistry science fair project, you will find out which liquid works best for evaporative cooling. Read more
Which Simple Machines Do I Use the Most?
Science Fair Project Idea
Scientific Method
When you think of a machine, you probably think of computers or robots. But what if I told you that machines have been around for centuries? Would you believe me? Try this experiment to see which of these simple machines you use around your house. You might even use some of them everyday! Read more
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
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