... why they can be used in cooking. You can produce a high-powered microwave beam in a small oven, but you can't do the same with radio waves, which are simply too long. Microwaves and their Use The idea of cooking with radiation may seem like a fairly new one, but in fact it reaches ... the sun and striking the atmosphere, make the Earth warm and habitable. In a conventional gas or electric oven, infrared waves pour off the hot elements or burners and are converted to heat when they strike air inside and the food. Microwaves and infrared rays are related in that both are forms of electroma...

• Word Count: 1548
• Approx Pages: 6
• Grade Level: High School

... wavelengths (the very high energy gamma rays) to wavlengths of kilometers or more (radiowaves) Electromagnetic radiation The source of heat energy for the earth and atmosphere is ultimately electromagnetic radiation from the Sun. Electromagnetic radiation can be thought of as consisting of waves, with a given wavelength For the radiation of interest to us, wavelengths are usually measured in microns .There is ... within the electromagnetic spectrum that the eye responds to. Although radiation of longer or shorter wavelengths are present, the human eye is not capable of responding to it. ...

• Word Count: 1270
• Approx Pages: 5
• Grade Level: Undergraduate

... to stay on the sunny side of the street while walking. The sun is 93 million miles away from earth and its energy travels to us in moving waves called radiation. The energy becomes heat, light and other energy too. Visible sunlight allows us to see the world around us, but there is invisible sunlight, too. These rays can't be seen, but ... some can be felt as heat. They are called ultraviolet rays, and they are what changes the appearance of the skin, like wrinkles and even cancer. I discovered a blanket of gases known as the atmosphere surrounding our ... freezing point of water. The ...

• Word Count: 1369
• Approx Pages: 5
• Has Bibliography
• Grade Level: High School

... to stay on the sunny side of the street while walking. The sun is 93 million miles away from earth and its energy travels to us in moving waves called radiation. The energy becomes heat, light and other energy too. Visible sunlight allows us to see the world around us, but there is invisible sunlight, too. These rays can't be seen, but ... some can be felt as heat. They are called ultraviolet rays, and they are what changes the appearance of the skin, like wrinkles and even cancer. I discovered a blanket of gases known as the atmosphere surrounding our ... freezing point of water. The ...

• Word Count: 1009
• Approx Pages: 4
• Has Bibliography
• Grade Level: High School

Radiation is energy that comes from a source and travels through some material or through space. Light, heat and sound are types of radiation. The kind of radiation discussed in this presentation is called ionizing radiation because it can produce charged particles (ions) in matter. Ionizing radiation is ... radiation. Ionizing radiation can also be produced by devices such as X-ray machines Characteristics of Gamma Radiation and X-Rays 1. Gamma radiation and X-rays are electromagnetic radiation like visible light, radio waves, and ultraviolet light. These electromagnetic radiations differ o...

• Word Count: 1882
• Approx Pages: 8
• Grade Level: High School