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Quiz: Looking Back

Name that threshold! Drag the description to the corresponding threshold.
Thresholds
Descriptions
  • Big Bang
  • Stars
  • New Chemical Elements
  • Our Solar System and Earth
  • Life
  • Collective Learning
  • Agriculture
  • Acceleration
  • The evolution of new organisms that have the ability to metabolize, reproduce, adapt, and maintain homeostasis
  • The creation of stellar objects that “live” for million to trillions of years
  • The explosion that created everything
  • The creation of large rocky and gaseous space objects along with something bright for them to orbit
  • The development of a new way to produce food
  • The use of fossil fuels to increase human innovation and production
  • The creation of new things in the Universe such as carbon and iron
  • The evolution of a new species that could pass information down from one generation to the next