Chapter 22

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Across
  1. 6. Any material that keeps energy such as electricity heat or cold from easily transferring through
  2. 7. radiation a general term for the electromagnetic radiation emitted by the sun
  3. 8. radiation due to the decay of radioactive materials in the earth itself
  4. 9. law of cooling the rate at which an object cools is proportional to the difference in temperature between the object and the object's surroundings
  5. 10. the throwing back by a body or surface of light heat or sound without absorbing it
  6. 11. radiation a region of the electromagnetic radiation spectrum where wavelengths range from about 700 nanometers to 1 millimeter
Down
  1. 1. Radiation is energy that comes from a source and travels through space at the speed of light Radiant energy, Radiant energy is the physical energy resulting from electromagnetic radiation usually observed as it radiates from a source into the surrounding environment
  2. 2. the process or action by which one thing absorbs or is absorbed by another
  3. 3. the production and discharge of something, especially gas or radiation
  4. 4. length the distance between identical points adjacent crests in the adjacent cycles of a waveform signal propagated in space or along a wire
  5. 5. house effect the way in which heat is trapped close to Earth's surface by greenhouse gases
  6. 12. waves waves that are created as a result of vibrations between an electric field and a magnetic field