earth 2

earth 2
  Copy


More Options: Make a Folding Card




Storyboard Description

This storyboard does not have a description.

Storyboard Text

  • PRESENT DAY
  • Prepare for a long lesson--this one spans back 4.6 billion years!
  • Hey, how was the Earth and our solar system formed?
  • THE GEOLOGIC TIMESCALE SPANS BACK 4.6 BILLION YEARS. IT INCLUDES THE PRECAMBRIAN ERA, PALEOZOIC ERA, MESOZOIC ERA, & CENOZOIC ERA.
  • THE BIG BANG THEORY EXPLAINS HOW A SUPERNOVA SENT A SHOCKWAVE THROUGH A MIXTURE OF DUST & GAS WHICH RESULTED IN LARGE CONCENTRATIONS OF MATTER.
  • EARTH WASN'T HABITABLE BECAUSE GASES & EXTREME HEAT MADE FOR A TOXIC ATMOSPHERE... UNTIL CYANOBACTERIA APPEARED--THE FIRST FORM OF EARLY BACTERIAL LIFE TO PRODUCE OXYGEN THROUGH PHOTOSYNTHESIS.
  • ONCE ENOUGH OXYGEN HAD FORMED, ULTRAVIOLET LIGHT SPLIT THE MOLECULES & CREATED THE OZONE LAYER WHICH NOW PROTECTS THE EARTH & ITS INHABITANTS FROM UV RADIATION.
More Storyboards By kayypadillla
Explore Our Articles and Examples

Try Our Other Websites!

Photos for Class   •   Quick Rubric   •   abcBABYart   •   Storyboard That's TPT Store