Radiation

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Across
  1. 2. what colored object tend to absorb heat more than light colored object
  2. 3. what heats the earth outward
  3. 5. The ________ spectrum
Down
  1. 1. how do you measure a wavelength
  2. 3. how many types of waves are there on the electromagnetic spectrum
  3. 4. what kind of radiation is the transfer of heat in the form of a wave energy from a relatively warmer body to a relatively cooler body