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Science Fair Project Idea
thumbnail When is an animal considered endangered? When will it become extinct? What happens when a population has reached the limits of its resources? What happens to a population when a habitat changes? These are some of the questions population biologists try to answer. They use population models, created from math equations, to predict what will happen to a population over time. If you want to see how modeling is done and make some predictions of your own, you certainly won't need a crystal… Read more
EnvSci_p049
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Time Required Average (6-10 days)
Prerequisites Only arithmetic is needed to make the model; however, some exposure to simple programming will make this science fair project easier, and exposure to the Euler number, e, will make the model more understandable.
Material Availability Readily available
Cost Average ($50 - $100)
Safety No issues
Science Fair 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.
Science Fair Project Idea
thumbnail When you have your X-rays taken at the dentist's or doctor's office, do you ever wonder how the X-ray machine works? Or better yet, how you could make one yourself to use for experiments? This how-to guide provides detailed instructions for high school students and adult do-it-yourself (DIY) enthusiasts to construct and use a homemade X-ray machine safely. Read more
Phys_p083
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Time Required Long (2-4 weeks)
Prerequisites A basic understanding of radiation and radiation safety is necessary before starting this science project.
Material Availability Many of the items for this science project, including the x-ray tube, need to be specially ordered. See the Materials & Equipment section for more details.
Cost Very High (over $150)
Safety A good understanding of radiation safety, proper radiation shielding materials, and supervision by an adult are required for this science project. The X-ray machine must be operated in a properly shielded place away from passersby. The X-ray machine requires a high voltage power supply; the output from the voltage supply can be deadly if mishandled.
Science Fair Project Idea
thumbnail Native plants are important for both ecological and medicinal reasons. However, most native plants are not very well studied. One way to know more about these plants is to understand which other species of plants they are most closely related to. In this science project you will sequence part of the chloroplast genome from a native plant and use this information to determine its evolutionary relationship to other species of plants. If the plant you chose has not been sequenced before, you can… Read more
Genom_p012
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Time Required Long (2-4 weeks)
Prerequisites High school biology class; familiarity with using the PCR machine and gel electrophoresis equipment, and/or using the equipment with a mentor.
Material Availability You will need specialized pieces of equipment, including a PCR machine (thermocycler) and a gel electrophoresis apparatus. If your school does not have this equipment you might want to seek out a mentor at a junior college, university, or biotechnology company. If you have the resources you can do the DNA sequencing yourself, otherwise you can send the samples to Dr. Baysdorfer at California State University, East Bay, see Experimental Procedure for more details.
Cost High ($100 - $150)
Safety This project uses ethidium bromide, which is a carcinogen. Always wear gloves and safety goggles when handling. Dispose of the ethidium bromide according to your school or institute's hazardous waste protocols. If you have concerns, ask your teacher or mentor for advice.
Science Fair Project Idea
Have you ever played a video game and gotten so involved that you felt as if you were living inside the game? What were the characteristics of the game that made you feel part of the action? One component of an absorbing video game is an onscreen world that makes sense—a world that takes physics into account. A game in which the player feels the effect of trudging through mud, slipping on ice, or catapulting a bird is more fun than one with no environmental interaction. In this… Read more
Games_p031
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Time Required Very Long (1+ months)
Prerequisites You should be comfortable programming in C++ language, familiar with the GameMaker software package, and able to program in GameMaker Language (GML). You should completely review and understand all the GameMaker tutorials and examples listed in the Science Buddies GameMaker User Guide and in the Tutorials section of YoYo Games Wiki.
Material Availability Readily available
Cost Low ($20 - $50)
Safety No issues
Science Fair 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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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
Science Fair Project Idea
Imagine that a biologist arrived at your big family reunion and had no idea who were sisters, cousins, aunts, uncles, etc., but tried to sort it out by how all of you look. Just based on how you look, would s/he be able to guess whether the kid standing next to you is your sister or your cousin? The biologist might be able to make some good guesses this way, but by using samples of your family's DNA, s/he could construct your whole family tree. In this project, you'll use Web-based computer… Read more
Genom_p001
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Time Required Average (6-10 days)
Prerequisites High School Biology, excellent website navigation skills
Material Availability None required
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail "Gross! What is that in the toilet?" But maybe it's not just gross. Did you know there are bacteria that digest organic waste and create electrons? What if there was a way to collect those electrons to power a circuit? In this science fair project, you will make a microbial fuel cell to collect the electrons that the bacteria—anaerobic bacteria—create...only, you'll be using mud, which is much safer to handle than wastewater. If you would like to learn how to reuse and recycle an… Read more
Energy_p026
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Time Required Very Long (1+ months)
Prerequisites You will need to be familiar with the procedures for handling biologically hazardous material. Read the [# ProjectGuide Name="Advanced.MicroorganismsSafetyGuide" Value="HtmlAnchor" HtmlShortTitle="true" #] from the Science Buddies Project Guide to learn more about handling biologically hazardous materials. You also need to have access to a lower-order stream of water or a creek. See the Introduction for an explanation of this type of stream. Try to avoid streams in which the bed is rocky. The benthic mud sample should be from an area that has a thick, rich mud bed.
Material Availability Specialty items required
Cost High ($100 - $150)
Safety Adult supervision is recommended. Be careful when using a hot stove and a drill. Remember to always wear safety goggles when drilling. Exercise caution when working near a stream or creek. Water currents can be stronger than they look.
Science Fair Project Idea
Winglets are the short vertical "fins" at the wingtips of some airplanes. Have you ever wondered why they are there? If you have access to a wind tunnel, you can build model airfoils with and without winglets and see for yourself. If you're really ambitious, you can also build your own wind tunnel. Read more
Aero_p012
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Time Required Very Long (1+ months)
Prerequisites Experience building airfoils, access to a wind tunnel for testing.
Material Availability Specialty Items (wind tunnel for testing airfoils)
Cost High ($100 - $150)
Safety No issues
Science Fair 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.
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