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Topic 5:Energy; A

Energy in Earth's Processes, pgs (82-84)

QuestionAnswer
What term describes the ability to do work? Energy!
Name Earth's external heat engine. The Sun.
How might you describe, "absolute zero"? Coldest temperature, 0 degrees Kelvin, no energy at all!
Can you define electromagnetic energy? Energy in wave form radiated by all objects whose temperature is above absolute zero.
How can we differentiate between different types of Electromagnetic Energy? Wavelength.
All waves in the Electromagnetic Spectrum travel at what velocity? Speed of Light. *( 186,000 miles per second )
Which page in the ESRT would you turn to for the Electromagnetic Spectrum Table? Page 14, bottom.
Does short wave length indicate high energy or low energy? (Gamma Rays) High Energy. Shorter wave lengths than visible light will harm humans!
Does long wave length suggest high or low energy? (radio waves) Low Energy, will not harm humans.
In the visible light part of the electromagnetic spectrum, is blue color high or low energy, short or long wave length? High energy, shortest wave length!
What term indicates the bending of light? Refraction.
What do we call light that bounces off of material? Reflection.
Name the term that suggests energy is "taken into"? Absorbed.
Why is a freshly fallen snow field such a poor absorber of energy? Color white, texture smooth.
Why is the jungle such a good absorber of energy? Color dark, texture rough.
How can we complete the phrase," A good absorber is a good ________". Radiator. "Easy in, Easy out!" Heats easily, Cools quickly.
Which color has the longest wave length that the human eye can detect? Red. And long wave length suggests low energy!
Name the pages in the Regents Review Book that are reviewed in this exercise! Pages 82 through 84 in the Prentice Hall Regents Review Book.
Created by: whearn
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