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Science Fair Project Idea
thumbnail Do you have bats in your neighborhood? Have you heard them "whoosh" by you, but not been able to see them? In this science fair project, you will be able to detect flying bats by listening in on the ultrasonic signals they produce to locate objects in their environment. The bat detector is a useful and fun tool for studying the biology of this nocturnal flying mammal. Read more
MamBio_p024
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Time Required Long (2-4 weeks)
Prerequisites Provide a brief description of requirements: Since this project involves studying bats in their native environment, you should start this project only if you are confident you have bats in your neighborhood. Ask your science teacher if there are local bats that you can observe.
Material Availability You will need to purchase a bat detector for this science fair project. See the Materials & Equipment section for more details on where to purchase one.
Cost Average ($50 - $100)
Safety For this science fair project, you will be listening to bats as they fly near you. You will not be touching them or disturbing them in any way, so there are no safety issues. However, if you do see a bat on the ground, do not touch it because bats can carry dangerous diseases.
Science Fair Project Idea
thumbnail How big a ruler would you need to measure the circumference of the Earth? Did you know that you can do it with a yardstick? (And you won't have to travel all the way around the world!) Read more
Astro_p018
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Time Required Short (2-5 days)
Prerequisites You will need to understand some basic principles of geometry for this project. You will need a friend or relative in a distant city to make a shadow measurement for you on the same day you make yours. Both of you will need clear weather.
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail When an earthquake happens, how are scientists able to determine the original location of the quake? In this project, you'll use archived data from a network of seismometers to find out for yourself. You'll create your own seismograms from the comfort of your own computer with an easy-to-use webpage interface. Then you'll analyze your seismograms to determine the distance of the quake from each seismometer station. By mapping your analyzed data, you will be able to determine the location of the… Read more
Geo_p018
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
The Sun is the ultimate source of the energy that powers weather systems on Earth. Geomagnetic storms are sun-powered storms in the upper atmosphere, arising from energized particles that are periodically ejected by the Sun. Among other effects, geomagnetic storms can wreak havoc with earth-orbiting satellites, and disrupt satellite communications. The global positioning system (GPS) is a network of 24 earth-orbiting satellites that constantly sends radio signals through the earth's… Read more
Weather_p009
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Time Required Very Long (1+ months)
Prerequisites You will need access to a WAAS-capable GPS receiver for this project. You will need to understand how to operate the GPS receiver. Note that WAAS signals are only available in North America.
Material Availability You will need a WAAS-capable GPS receiver to do this project. Note that WAAS signals are only available in North America.
Cost Average ($40 - $80)
Safety No issues
Science Fair Project Idea
thumbnail Have you ever wondered how an AM radio station works? In this project you will learn the basics of how your favorite songs are transmitted by a radio station, by building your own simple AM radio transmitter. You will learn the basics of how a transmitter works, and how you are able to tune to your favorite station and listen to music. Read more
Elec_p024
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Specialty items
Cost Average ($50 - $100)
Safety No issues
Science Fair Project Idea
thumbnail Have you ever wondered why geese fly in a V-formation? In this science fair project, you will build a wind tunnel to test how the formation of birds in flight actually affects their flight efficiency. Read more
Zoo_p057
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Time Required Long (2-4 weeks)
Prerequisites This is an advanced project that will require substantial initiative to design, build, and test. The experimental procedure gives outlines for how to proceed, and includes pictures; but precise details for the setup have to be worked out independently. Also, to perform the analysis, it is recommended that you first read the scientific papers that are listed in the Bibliography.
Material Availability You will need a web camera and a computer for this science fair project. See the Materials and Equipment list for details.
Cost High ($100 - $150)
Safety No issues
Science Fair Project Idea
thumbnail The Ring of Fire is a region of volcanic and earthquake activity that surrounds the Pacific Ocean. In this project you can explore the connection between plate tectonics and volcanic activity by mapping historical data. Read more
Geo_p019
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Time Required Long (2-4 weeks)
Prerequisites Computer with Internet access. Perseverance.
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail The theory of plate tectonics revolutionized geology in the 1960's. In this project you can explore the connection between plate tectonics and earthquakes by mapping historical seismic data. Read more
Geo_p020
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Time Required Long (2-4 weeks)
Prerequisites Computer with Internet access. Perseverance.
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail If you've ever so much as watched a news clip about a hurricane, you probably know that hurricanes draw their power from warm ocean waters. If that is true, does it mean that hurricanes actually cool the ocean down when they pass through? Can the amount of cooling be measured? Is it proportional to the strength of the hurricane? Find out using data that you can collect yourself using online archives. This project shows you how. Read more
OceanSci_p006
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Time Required Average (6-10 days)
Prerequisites Familiarity with computers and web browsers helps
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail Have you ever wondered how a radio can grab signals that are transmitted through the air and convert them into sound? In this science project, you will build your own AM radio receiver from scratch and use it to listen to AM radio broadcasts. With your crystal radio you will be able to experiment with the circuit and the antenna to get the best reception. Read more
Elec_p014
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Time Required Average (6-10 days)
Prerequisites To do this science project, you must live in an area where you can receive at least one strong AM radio station. You can check for this with a car or portable radio.
Material Availability Specific circuit items are required. A Science Buddies kit is available for your convenience. See the Materials and Equipment list for details
Cost Average ($40 - $80)
Safety Never operate your crystal radio during a thunderstorm. When not in use, always disconnect your antenna from the radio circuit, and connect it directly to the ground rod. Be sure to wear safety goggles when installing the ground rod, especially if you are using a metal hammer. An adult's help might be necessary for some steps in the Procedure.
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