Twelfth Grade Science Experiments (Page 64)

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Do you have a favorite M&Ms or Skittle candy color? Have you ever wondered what dyes are used to make that particular color? Some candies are the color they are because of a single food coloring, while others may use a couple different dyes to create just the right appearance. In this activity you’ll get to do some scientific detective work at home to investigate which colored M&M’s candies use which dyes. If you have some M&M’s leftover… Read more

Space Science & Mars STEM Lessons and Activities

Blog Post

Use these free STEM lesson plans, projects, and hands-on STEM activities to explore space science and the solar system with students. These science projects, STEM activities and NGSS-aligned lesson plans help educators create hands-on learning opportunities to teach about space science, the solar system, and Mars, in the context of the Perseverance rover. At the bottom of this resource, you will find a list of independent space science projects… Read more

Splitting Water

STEM Activity

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You use it basically every day and cannot survive without it—no it is not your cell phone, but water! It is one of the most essential compounds of the world and has become an increasingly important issue everywhere. You probably have heard that in many places droughts or water pollution limits clean drinking water supplies, and those supplies keep shrinking. When considering this, have you ever wondered why we do not just make our own water, and what water is actually made of? In this… Read more

Stealthy Shapes: How to Make an Aircraft Invisible to Radar

Science Fair Project Idea

Scientific Method

Have you ever dreamed about becoming invisible? Or about making something else invisible, like the mess all over your room? Invisibility may sound like the stuff of science fiction (remember Star Trek's "Cloaking Device"?), but in reality, military vehicles, like planes and ships, can be made less observable, or even invisible, to different detection methods—like radar, sonar, or infrared sensors—by using stealth technology. In this engineering science fair project, you'll find out… Read more

Stop the Train! Magnetic Brakes for a Maglev Train

Science Fair Project Idea

Scientific Method

Did you know that you can use magnets to build a train that floats above its tracks? In this project, you will also use magnets to make the train stop, preventing it from crashing into the end of the track. Will adding more magnets help the train stop sooner? Read more

Sunset Colors in a Glass

STEM Activity

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Have you ever watched a sunset and wondered why the sky suddenly changes from blue to orange and red? Even during the day, the sky can have multiple colors ranging from bright blue to grey or white. Where do these colors come from? In this activity you will find out, and simulate your own sunset in a glass! Ready to let the sun go down? Read more

Supercooling Water and Snap Freezing

Science Fair Project Idea

Scientific Method

Can water remain liquid below its normal freezing point? If it does, that water is supercool(-ed). This project shows you a method for supercooling water. You can test water from different sources to see whether or not it can be supercooled. Read more

Surface Science: Where Does a Basketball Bounce Best?

STEM Activity

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Playing basketball can be hard work. Players not only constantly run around the court, but just dribbling the basketball takes effort too. Have you ever wondered why that is? It has to do with how the basketball bounces. When the ball hits the court, its bounce actually loses momentum by transferring some of its energy into a different form. This means that to keep the ball bouncing, players must continually put more energy into the ball. In this activity, you will explore how high a basketball… Read more

Test and Change the Air Quality of Your Environment

Science Fair Project Idea

Scientific Method

Do you ever wonder if the air inside is cleaner or dirtier than the air you breathe outside? In this science experiment, you will test it using an air quality monitor. Have you ever wondered how lighting a candle in your room impacts your air quality? Did you cook and not turn on the fan? How did it affect your breathing, and how did it impact the air quality? In this project, you can see how these environmental factors can improve or worsen the air you breathe every day. Read more

Testing the Accuracy of Eyewitness Testimony

Science Fair Project Idea

Scientific Method

Think back to the last time you went to the grocery store. How well can you describe the person who was ahead of you in the check-out line? How many details do you remember about the person? How accurate do you think your memory is? Here is a project to investigate the accuracy of people's observations during everyday life. Read more

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