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Science Fair Project Idea
Many organisms have ways of orienting toward or away from an environmental stimulus. Some of these behaviors are instinctive, meaning they are behaviors with built in instructions that do not need to be learned. The instinctive response to a stimulus is called a taxis, and there are several types of cues: electricity (galvanotaxis), gravity (geotaxis), light (phototaxis), heat (thermotaxis), touch (thigmotaxis) or a chemical (chemotaxis). You can design experiments to test whether organisms… Read more
Zoo_p043
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Time Required Average (6-10 days)
Prerequisites None
Material Availability This science project can be done with insects you catch in your own backyard or order from [# ProjectGuide Name="Advanced.ApprovedSuppliers" Value="HtmlAnchor" HtmlText="online vendors" #] such as [# Link Name="Advanced.ApprovedSuppliers.2" Value="HtmlAnchor" HtmlText="Carolina Biological Supply Company" #]
Cost Very Low (under $20)
Safety If you choose to try this science project with small animals (rather than with insects), use caution when handling the animals and always have an adult present. The use of small animals may require [# ProjectGuide Name="Advanced.ScientificReviewCommitteeSRC" Value="HtmlAnchor" HtmlText="SRC approval" #].
Science Fair Project Idea
Animals have different levels of activity depending upon their habitat, metabolism and behavior. Diurnal animals are more active during the day. Nocturnal animals are more active at night. Being diurnal or nocturnal may have different advantages for different animals. For example, desert animals tend to be nocturnal so they can stay cool and escape the desert heat present during the day. What types of diurnal and nocturnal animals are common in your area? You can set out a small trap to… Read more
Zoo_p041
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety If you choose to try trapping small animals, adult assistance will be necessary. Avoid touching wild animals. Seek immediate medical attention if bitten by an animal.
Science Fair Project Idea
During metabolism, organisms experience physical and chemical changes. All animals need some way to exchange chemical waste generated during metabolism for fresh nutrients. One way that these metabolic chemicals are exchanged is during respiration, the process by which used carbon dioxide gas is exchanged with fresh oxygen and circulated throughout the body. How do organisms living underwater respirate? They use gills, which filter oxygen from the water and pass the oxygen into the… Read more
Zoo_p031
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
Animals respond to chemical cues in different ways. If an animal turns away from a chemical cue, then that chemical is a repellent. If an animal turns toward a chemical cue, then that chemical is an attractant. Attractants and repellents can be airborne chemicals, chemicals found in food, or chemicals that diffuse through water. One example of an airborne chemical is a pheromone, a chemical signal that is released by one individual to attract another. Moths release pheromones to attract… Read more
Zoo_p042
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
Our metabolism changes as we get older, a sad fact of life that we cannot change. Old age affects our bodies in many ways. Changes in musculature, bone strength, energy, diet and breathing are some of the many ways we change as we age. You might notice that people often get out of breath when they are older and doing a physical activity. Why do some people feel out of breath, while others do not? Does this change correlate with age? Could this reflect a difference in lung capacity between… Read more
HumBio_p003
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Time Required Average (6-10 days)
Material Availability Bromothymol blue is a specialty chemical which can be ordered from an [# ProjectGuide Name="Advanced.ApprovedSuppliers" Value="HtmlAnchor" HtmlText="online vendor" #].
Cost Low ($20 - $50)
Safety Adult supervision is recommended. If using bromothymol blue, be careful not to ingest it. Any volunteer who feels light-headed after exhaling should stop immediately and not repeat the experiment.
Science Fair 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)
Science Fair Project Idea
You can take advantage of electrochemistry and make a battery to clean tarnished silverware without scrubbing. You should learn about how batteries work and study oxidation-reduction reactions so that you can explain how this process works. You'll need a pan large enough to hold the pieces of silverware, and deep enough to cover them in solution while boiling gently. Line the pan with aluminum foil, and place the silverware inside the pan, making sure that each piece touches the foil. Add… Read more
Chem_p029
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Time Required Short (2-5 days)
Safety Adult supervision required.
Science Fair Project Idea
Maybe this has happened to you: you're going shopping with one of your parents and the parking lot is really crowded. You're helping out, scouting for an empty space. You see someone heading toward their car, taking their keys out, and you point them out. At last, you're going to get a spot. You wait for the person to pull out so you can park. Does it take them longer because you're waiting? Do they move out faster? Or does it just seem that they do? For information on people's… Read more
Soc_p019
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Time Required Average (6-10 days)
Science Fair Project Idea
How high can you throw different types of balls, like a golf ball, a basketball, and a football? Would one of them go higher than the others? Do factors like mass, shape, and volume influence the final height? You can measure the approximate maximum height a thrown ball reaches by measuring the time it spends in the air. To do this project, you'll need at least one ball and a helper with a stopwatch. Your helper should start timing just as you release the ball, and stop right when the ball… Read more
Sports_p035
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Time Required Short (2-5 days)
Science Fair Project Idea
What do knots, maps, mazes, driving directions, and doughnuts have in common? The answer is topology, a branch of mathematics that studies the spatial properties and connections of an object. Topology has sometimes been called rubber-sheet geometry because it does not distinguish between a circle and a square (a circle made out of a rubber band can be stretched into a square) but does distinguish between a circle and a figure eight (you cannot stretch a figure eight into a circle without… Read more
Math_p030
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Time Required Average (6-10 days)
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