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Others Like “Electronic Pollution”

Project Idea
thumbnail Every day, no matter where you are, you will see people using their cell phones. People use their cell phones for more than just making calls though. They use them for texting and searching the Internet, too. But some health groups are concerned that using your cell phone too much can be hazardous to your health. In this electricity and electronics science project, you will investigate whether your cell phone emits dangerous levels of microwave radiation when used for calling and texting. Read more
Elec_p068
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Time Required Average (6-10 days)
Prerequisites You must have access to a cell phone.
Material Availability In order to test for microwave radiation, you will have to purchase a microwave leakage meter. See the Materials and Equipment list for details.
Cost Average ($50 - $100)
Safety Wear proper safety gear when building the jig. See the Experimental Procedure for details.
Project Idea
thumbnail Have you ever wondered how X-rays affect living organisms? You have probably had X-rays taken at the dentist's or doctor's office. These X-rays are considered to be relatively safe, but every X-ray exposes a person to some radiation, specifically electromagnetic radiation. Radiation is energy that travels through space as either waves or high speed particles. Watch this video to learn more about electromagnetic radiation. Watch this video which gives an introduction to… Read more
MicroBio_p030
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Time Required Long (2-4 weeks)
Prerequisites Basic understanding of what radiation, DNA, and mutations are.
Material Availability See How to Build an X-ray Machine for a detailed list of materials that will need to be ordered.
Cost Very High (over $150)
Safety See Introduction to Radiation & Radiation Safety for safety information.
Project Idea
thumbnail You have probably had X-rays taken at the dentist's or doctor's office, but do you know how the X-ray images are made? Images made using X-rays, also called radiographs, are considered to be relatively safe to take, even though they are made using a small amount of radiation, specifically electromagnetic radiation. Radiation is energy that travels through space as either waves or high speed particles. Watch this video to learn more about electromagnetic radiation. Watch… Read more
HumBio_p034
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Time Required Long (2-4 weeks)
Prerequisites Basic understanding of radiation and making pictures using film.
Material Availability See How to Build an X-ray Machine for a detailed list of materials that will need to be ordered.
Cost Very High (over $150)
Safety See Introduction to Radiation and Radiation Safety for safety information.
Project Idea
Students who are mathematically inclined can use the student version of a program like MatLab or Mathematica to convert a digital image into numbers, then perform operations such as sharpening or special effects. This is a great way to learn about image processing algorithms. Read more
Photo_p018
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Time Required Long (2-4 weeks)
Project Idea
Maybe somewhere in your home there's a long hallway or a stairway with a light that you can turn on from either end. It's a nice convenience, but did you ever wonder how it's wired up to work that way? The goal of this project is to build a similar circuit with switches, flashlight batteries and a flashlight bulb (obviously, household circuits are not safe to experiment with). You'll need to understand the difference between connections made in series and connections made in parallel in an… Read more
Elec_p045
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Time Required Short (2-5 days)
Project Idea
Compare the strengths and weaknesses of different digital image formats. How does the amount of compression affect a JPEG image? What happens when you save a JPEG image multiple times? Read more
Photo_p019
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Time Required Short (2-5 days)
Project Idea
You probably know that you can use iron filings to reveal the magnetic field produced by a strong magnet. If you sandwich the iron filings between pieces of waxed paper, you can make a permanent record of your magnetic experiments (Gardner, 2004, 66). Cover the wax paper sandwich with a layer of brown paper (from a roll, or cut open a paper shopping bag), and then (with an adult's help) use a hot, dry iron to seal the waxed paper together. You will have to experiment a little with your iron… Read more
Elec_p043
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Time Required Short (2-5 days)
Project Idea
It is important to ensure that we all have good clean water to drink that is not contaminated by heavy metals or chemicals. One common pollutant in a water supply is lead in old pipes or paints that can leach into the water and cause lead poisoning. There are different kits available for testing the presence of lead and other contaminants in water. Test your water supply, and also the water in some local ponds, lakes or streams. The same contaminants that can harm you can also harm wildlife. … Read more
EnvSci_p024
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Time Required Average (6-10 days)
Project Idea
Smog days are often posted in your local newspaper. Check how many smog days your city has had in the last year. How does it compare to to other years? You can also take pictures of your city landscape on high and low smog days. How do the pictures compare? How does smog in the atmosphere affect visibility? What is smog made of? You can use tongue depressors smeared with Vaseline to check for smog particles in different areas; just stick in the ground and look at them a few days later. … Read more
Weather_p015
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Time Required Average (6-10 days)
Project Idea
thumbnail We encounter an amazing array of colors every day, from the greens of plants and the many colors of their flowers, to the pinkish blue of a sunset, to the artificial coloring in beverages. How do we perceive all of these colors? When light hits an object, some of that light is absorbed by the object, and the light that is not absorbed is what we see. In this science project, you will build a simple spectrophotometer from a cell phone and use it to investigate how visible light is absorbed by… Read more
Chem_p100
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- Less Details
Time Required Long (2-4 weeks)
Prerequisites None
Material Availability You will need to special-order some items. See the Materials and Equipment list for details. A cell phone with a functional camera is required. A computer that can run Windows® software is required.
Cost Average ($50 - $100)
Safety No issues
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