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2 cards from this section. Quick, good the night before a test.
What is radiation and how does it differ from conduction?
Think about whether a medium is needed.
Name one everyday example of radiation.
Consider where heat comes from without direct touch.
What kind of waves are primarily involved in radiation?
Remember the type of waves associated with heat.
True or False: Radiation can only occur in the presence of a medium.
Consider the nature of electromagnetic waves.
A black body emits 2000 W/m² at a temperature of 400 K. According to the Stefan-Boltzmann Law, what would be the total energy emitted if the temperature were raised to 800 K?
Apply the power of four to the temperature change to find the new value.
Discuss how increased atmospheric CO2 affects radiation balance on Earth and elaborate on its climatic implications.
Think about the relationship between CO2 levels and heat retention.
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