Geological time scale

Edit Answers
1234567891011
Across
  1. 1. ERAS ARE SUBDIVIDED INTO UNITS OF GEOLOGICAL TIME CALLED?
  2. 3. 4.6 billion years old
  3. 5. LONG UNITS OF TIME
  4. 7. BEGAN 541 MILLION YEARS AGO
  5. 8. TIME SCALE NAME
  6. 9. INCLUDES THE JURASSIC PERIOD
  7. 10. LASTED FOR 43 MILLION YEARS
  8. 11. BEGAN 252 MILLION YEARS AGO
Down
  1. 1. 4.6 BILLION YEARS AGO TO 541 MILLION YEARS AGO
  2. 2. SCIENTISTS PLACED EARTH'S ROCKS IN ORDER BY...AGE
  3. 4. LASTED FOR 2.6 MILLION YEARS
  4. 6. WIDELY DISTRIBUTED IN EARTH'S ROCKS
  5. 7. ERA WITH ANIMALS LIKE THE SMILODON