Science 2

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Author:
hayhay0319
ID:
65360
Filename:
Science 2
Updated:
2011-02-09 18:29:47
Tags:
science
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science 2
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  1. What is conduction?
    The transfer of heat energy from one substance to another through direct contact without obvious motion.
  2. What is convection?
    The transfer of energy from place to place by the motion of heated gas or liquid; In Earth's mantle convection is thought to transfer energy by the motion of solid rock wich when under great pressure can move like liquid.
  3. What is ultra violet radiation
    Radiation of higher frequencies than visible light wich can cause sunburn and other damage
  4. What is infared radiation?
    Radiation of lower frequencies visible light
  5. What is an ozone?
    A gas molecule that consists of 3 oxygen atoms
  6. What is a greenhouse effect?
    The process by wich certain gases in a planets atmosphere absorb and emit infared radiation resulying in an increase in surface temp

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