LearningTarget:
Explain electromagnetic
radiation and apply it to
Astronomy
Vocabulary
• Electromagnetic radiation
• Wave motion
• Wave length
Agenda
1.Reminder to work on logs while the weather is
good
2.New note sheet on the science of Astronomy
3.Video notes on Our Night Sky
4.Early Astronomy reports are due next week on
October 17
Quiz
1. Describe the relationship between frequency and period.
2. Why do we think light acts as both a particle and a
wave?
1. Which has greater
wavelength, infrared or
ultraviolet?
2. Which has greater
frequency, infrared or
ultraviolet?
3. Which has greater
energy, infrared or
ultraviolet?
4. Whose law tells us that
the wavelength of an
object’s radiation is
inversely proportional to
it’s temperature
5. __________=frequency
x wavelength
Answers:
1. Infrared
2. ultraviolet
3. Ultraviolet
4. Wien
5. Velocity or speed