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Homework Review. Mini Lesson 1: Energy transfer - Radiation. Name the three types of energy transfer: Conduction, Convection and Radiation What type of energy transfer heats earth’s surface? Radiation What type of energy transfer heats the air that is touching the ground? Conduction

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homework review

Homework Review

Mini Lesson 1: Energy transfer - Radiation

slide2

Name the three types of energy transfer:

Conduction, Convection and Radiation

What type of energy transfer heats earth’s surface?

Radiation

What type of energy transfer heats the air that is touching the ground?

Conduction

4) Why does warm air rise?

because it becomes less dense

slide3

What forms due to rising air in the atmosphere?

convection currents

6) What is reradiated heat from Earth called?

Terrestrial Radiation

7) What does internal energy refer to?

Heat coming from Earth’s Interior

8) What two factors contribute to earth’s internal energy?

Radioactive decay and leftover heat from earth’s formation

slide4

9) What is the major source for external energy?

  • Solar energy ( energy from the sun)
  • What is radiation?
  • Energy transferred in the form of electromagnetic waves
  • What different types of mediums can radiation travel through?
  • Vacuum, gas, water, and even solids depending on the type of radiation.
  • What is the classification of radiation based on?
    • Wavelength, frequency and amplitude
slide5

What does the term insolation refer to ?

INcomingSOLarraditATION

List and describe three factors that contribute to the amount and intensity

of insolation that reaches Earth’s surface.

(a) atmospheric transparancy

(b) angle of insolation

(c) duration of insolation

(d) latitude

electromagnetic spectrum earth science reference tables page 14
“Electromagnetic spectrum” Earth Science Reference tables page 14
  • When referring to “rays” from the Sun, what is “rays” short for?

radiation

  • Name the type of radiation that comes from the sun that causes skin cancer.

ultraviolet

  • Name the type of radiaiton that comes from the sun that you can “see”.

visible light

  • If I were a spy and needed to see thing at night I would need special lenses (goggles). What type of radiation allows you to see heat coming off of people and places?

infrared

slide7

Lead protects you from this type of radiation at the dentist

x-rays

  • Music is sent along these

radio waves

  • Which type of radiation has the shortest wavelength?

gamma rays

  • Which type of radiation has the longest wavelength?

radio waves

  • The type of radiation used to cook your food.

microwaves

slide8

Which color (visible light) has the shortest wavelength?

violet

  • Which color (visible light) has the longest wavelength?

red

  • Which type of radiation overlaps radio waves and infrared?

microwaves

  • Which type of radiation overlaps gamma rays and ultraviolet?

x rays

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