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Most plastics are not readily biodegradeable, especially when buried in the ground away from sources of oxygen. Many can be decomposed partially by photodecomposition in the presence of sunlight, howe ...
Hipervinculo Física
The project looks at various techniques for removing wrinkles from polyester garments. The goal is to have the student use the scientific method to come to an understanding of why the polyester garmen ...
Many people are surprised that they can become sunburned on a cloudy day. While it is true that most clouds block at least some of the UV radiation from the sun, the amount that is blocked depends on ...
This project monitors the strength of solar UV radiation during the day.The goal of the experiment is to have the student test a hypothesis about the way UV radiation varies throughout the day by coll ...
Hipervinculo Ciencias de la Tierra y Medioambiente
This project encourages the student to look for correlations between wind speed, temperature, and time of day in order to come up with an explanation about the origin of wind. The goal is to have the ...
Hipervinculo Tecnología
This project compares the effectiveness of a solution of beet juice and rock salt with pure rock salt in melting ice. The goal of this project is to have the student evaluate an alternative method for ...
Hipervinculo Tecnología
This project tests whether birds will discriminate between patterned and unpatterned anemometers when choosing a location to feed. The goal is to have the student use scientific methodology to find an ...
Hipervinculo Biología
Amphibian populations are in global decline. Because the skin of amphibians like frogs, toads and salamanders is extremely sensitive to environmental changes, there has been much speculation that the ...
Hipervinculo Biología
Researchers at Wageningen University in the Netherlands have reported that radiation from WiFi networks is harmful to trees. s observed included growth variations, and bleeding and fissures in tree ba ...
Hipervinculo Tecnología
When wireless signals leave a WiFi hotspot and travel to a computer or other wireless device, the wifi signal strength decays as it passes through air or solid objects. This is why a computer may be u ...
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