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Others Like “Camera 'Shakes'”

Science Fair Project Idea
A video camera records 30 "frames" or distinct images per second. (That's for an NTSC camera in the U.S. PAL cameras in other areas of the world take 25 frames per second.) You can use this fact to time events and measure velocity. One student has used a video camera to measure the velocity of an arrow shot from a bow. Read more
Photo_p016
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Time Required Average (6-10 days)
Science Fair Project Idea
If you know or calculate the field of view for your camera, you can use it to measure distances and the height of almost anything. It's all a matter of basic trigonometry. Read more
Photo_p015
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Time Required Average (6-10 days)
Science Fair Project Idea
Advanced students might want to look for an experiment in the areas of color theory or gamma and light curves. Read more
Photo_p021
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Time Required Long (2-4 weeks)
Science Fair Project Idea
How much force can a rubber band withstand before breaking? Do rubber bands that stretch longer take more or less force to break? How does the elasticity of a rubber band change with temperature? Use a spring scale to measure the applied force, and a meter stick or ruler to measure the change in length. Recording with a video camera (or possibly two) can help you to capture the values at the moment before the rubber band breaks. You can change the temperature of the rubber bands using… Read more
ApMech_p033
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Time Required Short (2-5 days)
Science Fair Project Idea
Use a video camera to analyze the angle of lift with different clubs. Measure the distance the ball travels. Be sure to conduct a sufficient number of trials with each club so that your results are consistent. This can also be a great way to work on your swing! (Idea from Goodstein, 1999, 83-85.) Read more
Sports_p029
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Time Required Average (6-10 days)
Science Fair Project Idea
Predict how tall you can build a tower using only two sheets of newspaper as building material. You can't use tape, glue, staples, or anything else, just two sheets of newspaper. You can tear, bend, cut, or fold the newspaper. Try it out and see how close you can come to your prediction. Can you beat your prediction? As you're building, you may come up with ideas to make a better tower. Try them out! (It's not like the materials are expensive!) Here are some variations you might want to… Read more
CE_p016
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Time Required Short (2-5 days)
Science Fair Project Idea
Some laundry detergents have added enzymes that break down proteins, helping to remove them from the cloth fibers, and thus remove stains. You can perform a scientific test of these enzymes' stain-fighting ability. Do background research on the enzyme(s) in the detergent, and on the substances you choose for making the stains. Try to predict for which substances the enzymes will be effective. Cut a piece of light-colored cotton cloth into identical 10 cm squares. Choose different… Read more
Chem_p039
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Time Required Very Short (≤ 1 day)
Science Fair Project Idea
If you're interested in analyzing how things break, check out the Science Buddies project . Read more
MatlSci_p032
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Time Required Short (2-5 days)
Science Fair Project Idea
The rebound rating is the ratio of the height the ball bounces to, divided by the height the ball was dropped from. Use the rebound rating to measure the bounciness of new tennis balls vs. balls that have been used for 10, 20, 50, and 100 games. Another idea to explore: does it matter what type of court the ball is used on? (See: Goodstein, 1999, 63-64.) Read more
Sports_p039
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Time Required Average (6-10 days)
Science Fair Project Idea
Use sound recording and analysis software to record voices of your family members. Can you figure out ways to identify each family member by just looking at the analyzed sound patterns from their voice (e.g., spectral frequency analysis)? Develop a hypothesis about what types of sound analysis will identify an individual. Have a helper record additional test files of your family members, without telling you which file belongs to whom. Unplug your computer speakers and see if you can… Read more
CompSci_p027
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Time Required Average (6-10 days)
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