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Industry, Innovation and Infrastructure, Tenth Grade Science Projects (127 results)

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Effect of Trebuchet Arm Length or Counterweight Mass on Projectile Distance
Science Fair Project Idea
Engineering Design Process
Before cannons widely replaced them, siege engines were often used by armies to throw large stones and other projectiles to break down castle walls. One of the most advanced siege engines used in the Middle Ages was the trebuchet, which used a large counterweight to store energy to launch a payload, or projectile. The horizontal distance the payload would travel is called the trebuchet's range. Figure 1, below, shows a modern reconstruction of a trebuchet. The range of a trebuchet has… Read more
Efficient Propeller Design
Science Fair Project Idea
Scientific Method
How does a helicopter generate enough lift to fly? How does a speedboat get moving fast enough to pull someone on water skis? Here's a project on designing propellers to do the job. Read more
Electric Paint: Light Up Your Painting
Science Fair Project Idea
Scientific Method
Electric paint is a fun way to include a circuit with lights in an art project, but it presents a challenge not found in traditional electronic circuits. What happens if you change the length or width of your strokes of paint, such as by painting longer, curvier lines or using a thicker brush? Could this affect the electrical properties of your circuit? Try this project to find out! Read more
Excess Volume: Investigate the "Shrinking Liquids" Effect
Science Fair Project Idea
Scientific Method
Cooking, washing, and many industrial processes involve the mixing of liquids. How liquids behave when they are mixed is dependent on many factors. Sometimes, the mixing behavior of liquids can be quite surprising! For example, when you mix 50 mL of one liquid with 50 mL of another liquid, you might not end up with a 100 mL mixture! In this science project, you will explore this phenomenon, which we call the "excess volume" of mixtures. How do you think your mixing volumes will… Read more
Explore Interplanetary Spacecraft Maneuvers with FreeFlyer®
Science Fair Project Idea
Scientific Method
If you are interested in space travel and willing to do some coding, this project is for you! It uses FreeFlyer®—powerful software that allows you to simulate space travel—to explore essential mission questions. Space travel is complex. Many factors influence the trajectory of a spacecraft. Simulations like the ones generated by FreeFlyer are powerful, as they allow you to analyze each factor in isolation, and then visualize the effects in various ways. Once you familiarize… Read more
Explore Satellites with Powerful Simulation Software
Science Fair Project Idea
Scientific Method
The first man-made satellite, the Sputnik 1, was launched in 1957. As of late 2020, more than 2,600 man-made satellites orbit Earth, with a little over 70% of them in low Earth orbit. If you would like to delve into how satellites and their sensors are configured, or into how their orbits are planned—and do not shy away from a little programming—this project is for you! With the help of FreeFlyer®—powerful software that allows you to simulate satellite orbit and… Read more
Expression Cloning
Science Fair Project Idea
Scientific Method
What is expression cloning and how is it used in the biotechnology industry? How are plasmids constructed for use in a bacterial expression system? You can investigate these questions and more using bacterial expression kits meant for high school classes. You will need a laboratory space equipped to grow bacteria and carry out simple molecular biology. A kit with plasmids and bacterial cells to transform are also needed. Here are two possibilities: BioBuilder What a Colorful World Kit … Read more
Feeding Fido & Fluffy: Designing an Automatic Pet Feeder
Science Fair Project Idea
Scientific Method
An overnight trip to the beach or a quick two-day vacation can be lots of fun. What do you do to prepare? Pack your clothes, get sunscreen lotion, and borrow a book from the library. But wait! Who is going to feed your dog or cat? It would be irresponsible to let them go hungry. And you can't just leave food out, because it can get stale and start to grow bacteria, which can cause your pet to get sick. Also, it is not a good idea to leave bowls of food out because a pet might overeat, which is… Read more
Feel Sound With Your Fingertips: Ultrasonic Haptics
Science Fair Project Idea
Scientific Method
Virtual reality headsets can make you see something that isn't really there, but can you feel an object that isn't there? In this project, you will build a device that lets you feel invisible sound waves in midair.  Read more
Forensic Science: Building Your Own Tool for Identifying DNA
Science Fair Project Idea
Scientific Method
When biologists want to separate different pieces of DNA, RNA, or proteins they use a technique called gel electrophoresis. In this science project you'll build a gel electrophoresis chamber and use it to discover how many components are in different colors of food coloring dye. Read more
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