// Sky & Sunset Science Quiz — free quiz from Honest Little Apps (https://honestlittleapps.github.io/quizzes/sky-and-sunset-science-quiz)
// Companion iPhone app: Asterfold: Sunset Planner https://apps.apple.com/app/id6806044403?pt=129123876&ct=gift-asterfold&mt=8
$CATEGORY: Sky & Sunset Science Quiz

::Q01:: Which colours does air scatter the most? {
  =Blue and violet
  ~Red and orange
  ~Yellow and green
  ~All colours equally
}

::Q02:: What is the scattering of light by air molecules called? {
  =Rayleigh scattering
  ~Mie scattering
  ~Doppler effect
  ~Refraction
}

::Q03:: Why are sunsets orange and red? {
  =Light crosses more air, so blue scatters away
  ~The Sun cools in the evening
  ~Clouds absorb blue light
  ~Earth's shadow is red
}

::Q04:: White sunlight is a mix of... {
  =All the colours of the rainbow
  ~Only yellow light
  ~Only red and blue
  ~Only ultraviolet
}

::Q05:: When is golden hour? {
  =Just before sunset and after sunrise
  ~At noon
  ~At midnight
  ~Only during an eclipse
}

::Q06:: What is blue hour? {
  =Twilight just after sunset or before sunrise
  ~The hour before noon
  ~Any cloudy hour
  ~The first hour after midnight
}

::Q07:: Which clouds often make the most colourful sunsets? {
  =Mid- and high-level clouds
  ~Thick low fog
  ~Dark storm clouds overhead
  ~Smoke from a fire
}

::Q08:: In which direction does the Sun set? {
  =Roughly west
  ~Roughly east
  ~Due north
  ~Due south
}

::Q09:: About how long does sunlight take to reach Earth? {
  =About 8 minutes
  ~About 8 seconds
  ~About 8 hours
  ~About 8 days
}

::Q10:: A prism splits white light into colours by... {
  =Refraction
  ~Reflection
  ~Absorption
  ~Magnetism
}

::Q11:: Which visible colour has the longest wavelength? {
  =Red
  ~Violet
  ~Blue
  ~Green
}

::Q12:: Why do clouds look white? {
  =Their droplets scatter all colours about equally
  ~They are made only of snow
  ~They reflect only blue
  ~They give off their own light
}