Discuss each question with your team. Be prepared to explain the reasoning behind your team's answers after the quiz.

1. Which of the following best describes visible light?
   • The entire electromagnetic spectrum is visible
   • Only a small portion of wavelengths are visible
   • Only the shortest wavelengths are visible
   • Only the longest wavelengths are visible
   • Don't be ridiculous! You can't see light, it's far too fast!
2. Which of these wavelengths is the shortest?
   • Microwaves
   • Infrared
   • Visible
   • X-Rays
   • Gamma Rays
3. While observing the night sky you notice four stars: One red, one white, one blue, and one yellow. Which of these stars is hottest and which is coolest?
   • The temperature of the stars cannot be determined by their color
   • The red star is hottest and the blue star is coolest
   • The white star is hottest and the yellow star is coolest
   • The white star is hottest and the red star is coolest
   • The blue star is hottest and the red star is coolest
4. Which of the following properties of an object can potentially be determined by observing light emitted by it?
   • Chemical composition
   • Temperature and luminosity
   • Distance and relative motion
   • All of the above
   • None of the above